英文别名
3-Carbethoxy-1-phenyl-5-phenylazo-4-pyrazolon;4-hydroxy-1-phenyl-5-phenylazo-1H-pyrazole-3-carboxylic acid ethyl ester;ethyl 4-hydroxy-1-phenyl-5-(phenylazo)-1H-pyrazole-3-carboxylate;1H-Pyrazole-3-carboxylic acid, 4-hydroxy-1-phenyl-5-(phenylazo)-, ethyl ester;ethyl 4-hydroxy-1-phenyl-5-phenyldiazenylpyrazole-3-carboxylate