1H-Pyrazole-3-carboxylic acid, 4-amino-5-(3-methoxyphenyl)-, ethyl ester, monohydrochloride 3-Pyrazolecarboxylic acid, 4-amino-5-(m-methoxyphenyl)-, ethyl ester, hydrochloride 4-Amino-5-(m-methoxyphenyl)-3-pyrazolecarboxylic acid ethyl ester hydrochloride 91857-40-8