3-[(2Z)-2-[1-(4-methoxyphenyl)ethylidene]hydrazinyl]-6-methyl-2H-1,2,4-triazin-5-one 3-[(N'Z)-N'-[1-(4-methoxyphenyl)ethylidene]hydrazino]-6-methyl-2H-1,2,4-triazin-5-one ST5101983 ZINC04136960