52240-11-6
3-(4-aminophenyl)-4-methyl-1H-pyridazin-6-one
→
~95%
131741-08-7
左西孟旦
109-77-3
丙二腈
+
36725-28-7
6-(4-氨基苯基)-4,5-二氢-5-甲基-3(2H)-哒嗪酮