Synonyms: ethyl 3-hydrazinyl-7,8-dihydropyrido[4,3-c]pyridazine-6(5h)-carboxylate;3-Hydrazino-5,6,7,8-tetrahydro-6-pyrido(4,3-c)pyridazinecarboxylic acid ethyl ester;Ethyl 7,8-dihydro-3-hydrazinopyrido(4,3-c)pyridazine-6(5H)-carboxylate;Pyrido(4,3-c)pyridazine-6(5H)-carboxylic acid, 7,8-dihydro-3-hydrazino-, ethyl ester;39715-29-2;AC1L53HT;AC1Q65H5;AR-1I8840;LS-133980;ethyl 3-hydrazinyl-7,8-dihydro-5H-pyrido[4,3-c]pyridazine-6-carboxylate