| Ethyl 4-cyclohexyloxy-acetoacetate | C₁₂H₂₀O₄ | 228.288 g/mol |
| Ethyl 4-ethoxy-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxylate | C₁₆H₁₆FNO₄ | 305.305 g/mol |
| Ethyl 4-ethoxy-1-[(4-methoxy-7-bicyclo[4.2.0]octa-1(6),2,4,7-tetraenyl)methyl]pyridin-1-ium-3-carboxylate | C₂₀H₂₂NO₄+ | 340.399 g/mol |
| Ethyl 4-Ethoxy-2-oxo-1,2-dihydropyridine-3-carboxylate | C₁₀H₁₃NO₄ | 211.217 g/mol |
| Ethyl 4-ethoxy-3-hydroxybenzoate | C₁₁H₁₄O₄ | 210.229 g/mol |
| Ethyl 4-ethoxynicotinate | C₁₀H₁₃NO₃ | 195.218 g/mol |
| Ethyl 4-ethyl-5-methylhexa-2,4-dienoate | C₁₁H₁₈O₂ | 182.263 g/mol |
| Ethyl 4-ethylcarbamoyl-2-[6-(3-ethyl-ureido)-pyridin-3-yl]-thiazole-5-carboxylate | C₁₇H₂₁N₅O₄S | 391.453 g/mol |
| Ethyl 4-fluoro-2-hydroxybenzoate | C₉H₉FO₃ | 184.166 g/mol |
| Ethyl 4-fluoro-2-methoxybenzoate | C₁₀H₁₁FO₃ | 198.193 g/mol |
| Ethyl 4-fluoro-3-(pyrazin-2-yloxy)benzoate | C₁₃H₁₁FN₂O₃ | 262.24 g/mol |
| Ethyl 4-fluoro-3-hydroxybenzoate | C₉H₉FO₃ | 184.166 g/mol |
| Ethyl 4-formyl-1H-pyrrole-2-carboxylate | C₈H₉NO₃ | 167.164 g/mol |
| Ethyl 4-formyl-3,3-dimethylbutanoate | C₉H₁₆O₃ | 172.224 g/mol |
| ethyl 4-formyl-5-(oxiran-2-ylmethoxy)-1H-indole-2-carboxylate | C₁₅H₁₅NO₅ | 289.287 g/mol |
| Ethyl 4-formyl-5-hydroxyindole-2-carboxylate | C₁₂H₁₁NO₄ | 233.223 g/mol |
| Ethyl 4-formylbenzoate | C₁₀H₁₀O₃ | 178.187 g/mol |
| Ethyl 4-hydrazino-2-(3'-nitrophenyl)pyrimidine-5-carboxylate | C₁₃H₁₃N₅O₄ | 303.278 g/mol |
| Ethyl 4-hydrazino-2-phenylpyrimidine-5-carboxylate | C₁₃H₁₄N₄O₂ | 258.281 g/mol |
| Ethyl 4-hydroxy-1,1-dimethyl-2-oxo-6-(trifluoromethyl)-naphthalene-3-carboxylate | C₁₆H₁₅F₃O₄ | 328.286 g/mol |
| ethyl 4-hydroxy-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate | C₁₇H₁₇N₃O₄ | 327.34 g/mol |
| Ethyl 4-hydroxy-1-[2-(4-methoxyphenyl)ethyl]pyrrolidine-2-carboxylate | C₁₆H₂₃NO₄ | 293.363 g/mol |
| Ethyl 4-hydroxy-1-methyl-3-pyrrolidinecarboxylate | C₈H₁₅NO₃ | 173.212 g/mol |
| Ethyl 4-hydroxy-1H-indole-2-carboxylate | C₁₁H₁₁NO₃ | 205.213 g/mol |
| Ethyl 4-hydroxy-2,6-dimethylpyridine-3-carboxylate | C₁₀H₁₃NO₃ | 195.218 g/mol |
| Ethyl 4-hydroxy-2-(3'-nitrophenyl)pyrimidine-5-carboxylate | C₁₃H₁₁N₃O₅ | 289.247 g/mol |
| Ethyl 4-hydroxy-2-(methylsulfanyl)-5-pyrimidinecarboxylate | C₈H₁₀N₂O₃S | 214.246 g/mol |
| Ethyl 4-hydroxy-2-[(2-methoxyphenyl)amino]pyrimidine-5-carboxylate | C₁₄H₁₅N₃O₄ | 289.291 g/mol |
| Ethyl 4-hydroxy-2-[4-(2-methyloctan-2-yl)-2-phenylmethoxyphenyl]piperidine-1-carboxylate | C₃₀H₄₃NO₄ | 481.677 g/mol |
| Ethyl 4-hydroxy-2-methylpyrimidine-5-carboxylate | C₈H₁₀N₂O₃ | 182.179 g/mol |
| Ethyl 4-hydroxy-3-methoxy-5-nitrophenylglyoxylate | C₁₁H₁₁NO₇ | 269.209 g/mol |
| Ethyl 4-hydroxy-3-methyl-1-benzofuran-2-carboxylate | C₁₂H₁₂O₄ | 220.224 g/mol |
| Ethyl 4-hydroxy-3-propylbenzoate | C₁₂H₁₆O₃ | 208.257 g/mol |
| Ethyl 4-hydroxy-4-(2-nitrophenyl)-2-butynoate | C₁₂H₁₁NO₅ | 249.222 g/mol |
| Ethyl 4-hydroxy-4-(4,5-dimethoxy-2-nitrophenyl)-2-butynoate | C₁₄H₁₅NO₇ | 309.274 g/mol |
| Ethyl 4-hydroxy-4-(4,5-dimethyl-2-nitrophenyl)-2-butynoate | C₁₄H₁₅NO₅ | 277.276 g/mol |
| Ethyl 4-hydroxy-4-(5-methoxymethoxy-4-methyl-2-nitrophenyl)-2-butynoate | C₁₅H₁₇NO₇ | 323.301 g/mol |
| Ethyl 4-hydroxy-4-(nitromethyl)-1-piperidinecarboxylate | C₉H₁₆N₂O₅ | 232.236 g/mol |
| Ethyl 4-Hydroxy-4-[3,4-dimethoxy-2-(1-methylethyl)phenyl]-3-methylbut-2-enoate | C₁₈H₂₆O₅ | 322.401 g/mol |
| Ethyl 4-hydroxy-4-methylcyclohexane-1-carboxylate | C₁₀H₁₈O₃ | 186.251 g/mol |
| Ethyl 4-hydroxy-4-phenylbut-2-ynoate | C₁₂H₁₂O₃ | 204.225 g/mol |
| Ethyl 4-hydroxy-5-methylquinoline-3-carboxylate | C₁₃H₁₃NO₃ | 231.251 g/mol |
| Ethyl 4-hydroxy-6-(trifluoromethoxy)-3-quinolinecarboxylate | C₁₃H₁₀F₃NO₄ | 301.22 g/mol |
| Ethyl 4-hydroxy-6-[3-(alpha-methoxycarbonylphenethyl)ureido]cinnolin-3-yl carboxylate | C₂₂H₂₂N₄O₆ | 438.44 g/mol |
| Ethyl 4-hydroxy-6-n-butylquinoline-2-carboxylate | C₁₆H₁₉NO₃ | 273.332 g/mol |
| Ethyl 4-hydroxy-6-oxo-5,6,7,8-tetrahydroquinoline-3-carboxylate | C₁₂H₁₃NO₄ | 235.239 g/mol |
| Ethyl 4-hydroxy-6-thienylcinnolin-3-yl carboxylate | C₁₅H₁₂N₂O₃S | 300.339 g/mol |
| Ethyl 4-hydroxy-7-methoxy-2-oxo-2',3',5',6'-tetrahydro-spiro[naphthalene-1,4'-pyran]-3-carboxylate | C₁₈H₂₀O₆ | 332.352 g/mol |
| Ethyl 4-hydroxy-7-methoxyquinoline-3-carboxylate | C₁₃H₁₃NO₄ | 247.25 g/mol |
| Ethyl 4-hydroxy-7-nitro-2-oxo-1,2-dihydro-quinoline-3-carboxylate | C₁₂H₁₀N₂O₆ | 278.22 g/mol |
| Ethyl 4-hydroxy-7-trifluoromethyl-3-quinolinecarboxylate | C₁₃H₁₀F₃NO₃ | 285.221 g/mol |
| Ethyl 4-hydroxy-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate | C₉H₉N₃O₃ | 207.189 g/mol |
| Ethyl 4-hydroxybenzenecarboximidoate | C₉H₁₁NO₂ | 165.192 g/mol |
| Ethyl 4-hydroxycyclohexanecarboxylate | C₉H₁₆O₃ | 172.224 g/mol |
| Ethyl 4-hydroxyhydrocinnamate | C₁₁H₁₄O₃ | 194.23 g/mol |
| Ethyl 4-hydroxymethyl-3-oxopiperidine-1-carboxylate ethylene ketal | C₁₁H₁₉NO₅ | 245.275 g/mol |
| Ethyl 4-hydroxyphenylacetate | C₁₀H₁₂O₃ | 180.203 g/mol |
| Ethyl 4-hydroxypyrrolidine-2-carboxylate | C₇H₁₃NO₃ | 159.185 g/mol |
| Ethyl 4-imidazol-1-yl-4-methylpent-2-enoate | C₁₁H₁₆N₂O₂ | 208.261 g/mol |
| ethyl 4-iodo-2-methyl-1H-imidazole-1-carboxylate | C₇H₉IN₂O₂ | 280.065 g/mol |
| Ethyl 4-iodobenzoate | C₉H₉IO₂ | 276.073 g/mol |
| Ethyl 4-iodobutanoate | C₆H₁₁IO₂ | 242.056 g/mol |
| Ethyl 4-isocyanatobenzoate | C₁₀H₉NO₃ | 191.186 g/mol |
| Ethyl 4-isothiocyanato-3,3-dimethylbutanoate | C₉H₁₅NO₂S | 201.291 g/mol |
| Ethyl 4-isothiocyanatopiperidine-1-carboxylate | C₉H₁₄N₂O₂S | 214.29 g/mol |
| Ethyl 4-methoxy-2-phenyl-1,3-thiazole-5-carboxylate | C₁₃H₁₃NO₃S | 263.318 g/mol |
| Ethyl 4-methoxy-3-[2-[4-(trifluoromethoxy)phenyl]ethenyl]benzoate | C₁₉H₁₇F₃O₄ | 366.335 g/mol |
| Ethyl 4-methoxy-3-ethoxycarbonyl-1-methylpyrrole-2-acetate | C₁₃H₁₉NO₅ | 269.297 g/mol |
| Ethyl 4-methoxy-3-methyl-2-benzofurancarboxylate | C₁₃H₁₄O₄ | 234.251 g/mol |
| Ethyl 4-methoxy-3-oxobutanoate | C₇H₁₂O₄ | 160.169 g/mol |
| Ethyl 4-Methoxyatropate | C₁₂H₁₄O₃ | 206.241 g/mol |
| Ethyl 4-methoxyphenylacetate | C₁₁H₁₄O₃ | 194.23 g/mol |
| Ethyl 4-methyl-1,2,3-thiadiazol-5-ylmethyl carbonate | C₇H₁₀N₂O₃S | 202.235 g/mol |
| Ethyl 4-methyl-1,2,3-thiadiazole-5-carboxylate | C₆H₈N₂O₂S | 172.209 g/mol |
| Ethyl 4-methyl-1h-pyrrole-3-carboxylate | C₈H₁₁NO₂ | 153.181 g/mol |
| Ethyl 4-Methyl-2-(2-methoxyphenyl)thiazole-5-carboxylate | C₁₄H₁₅NO₃S | 277.345 g/mol |
| Ethyl 4-methyl-2-(2-oxo-3-(pyridin-2-ylmethyl) imidazolidin-1-yl)thiazole-5-carboxylate | C₁₆H₁₈N₄O₃S | 346.412 g/mol |
| Ethyl 4-methyl-2-(2-oxo-3-phenylimidazolidin-1-yl)thiazole-5-carboxylate | C₁₆H₁₇N₃O₃S | 331.397 g/mol |
| Ethyl 4-methyl-2-(2-oxoimidazolidin-1-yl)thiazole-5-carboxylate | C₁₀H₁₃N₃O₃S | 255.299 g/mol |
| ethyl 4-methyl-2-(4-(3-phenylpropyl)-1H-1,2,3-triazol-1-yl)thiazole-5-carboxylate | C₁₈H₂₀N₄O₂S | 356.451 g/mol |
| Ethyl 4-methyl-2-(4-(4-methylpiperazinyl)-3-nitrophenyl)-5-thiazolecarboxylate | C₁₈H₂₂N₄O₄S | 390.465 g/mol |
| ethyl 4-methyl-2-(5-oxo-1H-1,2,4-triazol-4(5H)-yl)thiazole-5-carboxylate | C₉H₁₀N₄O₃S | 254.271 g/mol |
| Ethyl 4-methyl-2-(pyrrolidine-2-carbonylamino)pentanoate | C₁₃H₂₄N₂O₃ | 256.346 g/mol |
| Ethyl 4-methyl-2-methylenepentanoate | C₉H₁₆O₂ | 156.225 g/mol |
| ethyl 4-methyl-2-oxo-7-(trifluoromethyl)-1H-quinoline-3-carboxylate | C₁₄H₁₂F₃NO₃ | 299.248 g/mol |
| Ethyl 4-methyl-2-oxopentanoate | C₈H₁₄O₃ | 158.197 g/mol |
| Ethyl 4-methyl-2-sulfanyl-1,3-thiazole-5-carboxylate | C₇H₉NO₂S₂ | 203.288 g/mol |
| Ethyl 4-methyl-2-{[(2,4,6-trichlorophenyl)sulfonyl]amino}-1,3-thiazole-5-carboxylate | C₁₃H₁₁Cl₃N₂O₄S₂ | 429.734 g/mol |
| Ethyl 4-methyl-3-{[3-(methyloxy)phenyl]methyl}pentanoate | C₁₆H₂₄O₃ | 264.365 g/mol |
| Ethyl 4-methyl-4-formylpent-2-enoate | C₉H₁₄O₃ | 170.208 g/mol |
| Ethyl 4-Methyl-5-benzoylpyrrole-3-carboxylate | C₁₅H₁₅NO₃ | 257.289 g/mol |
| Ethyl 4-methyl-5-imidazolcarboxylate | C₇H₁₀N₂O₂ | 154.169 g/mol |
| Ethyl 4-methyl-5-nitropicolinate | C₉H₁₀N₂O₄ | 210.189 g/mol |
| Ethyl 4-methyl-7-phenylthioureido-4,5-dihydro-5-oxopyrazolo[1,5-a]quinazoline-3-carboxylate | C₂₁H₁₉N₅O₃S | 421.482 g/mol |
| ethyl 4-methylene-7,8-dihydro-4H-thieno[2,3-d]azepine-6(5H)-carboxylate | C₁₂H₁₅NO₂S | 237.324 g/mol |
| Ethyl 4-methylidenecyclohexane-1-carboxylate | C₁₀H₁₆O₂ | 168.236 g/mol |
| Ethyl 4-methylpent-2-ynoate | C₈H₁₂O₂ | 140.182 g/mol |
| Ethyl 4-methylpiperidine-4-carboxylate | C₉H₁₇NO₂ | 171.24 g/mol |
| Ethyl 4-morpholinobenzoate | C₁₃H₁₇NO₃ | 235.283 g/mol |
| Ethyl 4-nitro-1H-indole-2-carboxylate | C₁₁H₁₀N₂O₄ | 234.211 g/mol |
