125041-02-3

Pyrido[2,3-d]pyridazine-8-carboxylic acid,2,4-diamino-6-(4-chlorophenyl)-3-cyano-5,6-dihydro-5-imino-, ethylester

Pyrido[2,3-d]pyridazine-8-carboxylic acid,2,4-diamino-6-(4-chlorophenyl)-3-cyano-5,6-dihydro-5-imino-, ethylester