Ethyl 4-amino-1H-imidazole-5-carboxylate21190-16-9100 % similar 4-Carbethoxy-5-methylimidazole51605-32-466 % similar Ethyl 3,5-diamino-1H-pyrazole-4-carboxylate6825-71-452 % similar Ethyl 2-aminopyridine-3-carboxylate13362-26-051 % similar 3-Amino-2-ethoxycarbonylpyrrole hydrochloride252932-49-350 % similar 5-Amino-3-methyl-3H-imidazole-4-carboxylic acid ethyl ester61982-18-150 % similar Ethyl imidazole-4-carboxylate23785-21-949 % similar Ethyl 1H-imidazole-2-carboxylate33543-78-149 % similar Otava-bb bb71185609093284-47-748 % similar Ethyl 2-amino-1H-pyrrole-3-carboxylate108290-86-447 % similar 1H-Pyrrole-2-carboxylicacid,3-fluoro-,ethylester(9ci)168102-05-447 % similar 5-Aminopyrazine-2-carboxylic acid ethyl ester54013-06-847 % similar Ethyl 5-amino-1H-pyrazole-3-carboxylate105434-90-045 % similar Ethyl 2-amino-1,3-oxazole-5-carboxylate113853-16-045 % similar Ethyl 2-aminothiazole-5-carboxylate32955-21-845 % similar Ethyl 6-aminonicotinate39658-41-845 % similar Ethyl 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate144927-57-145 % similar Ethyl 4-amino-2-(ethylthio)-5-pyrimidinecarboxylate778-97-245 % similar Ethyl 2-aminopyridine-4-carboxylate13362-30-644 % similar 2-Amino-3-methyl-3H-imidazole-4-carboxylic acid ethyl ester177760-04-244 % similar