79-37-8
草酰氯
+
66315-16-0
3-氨基-4-(甲基氨基)苯羧酸甲酯
→
92473-55-7
methyl 1-methyl-2,3-dioxo-4H-quinoxaline-6-carboxylate
80708-33-4
7-chloro-5-propyl-2H-[1,2,4]triazolo[4,3-a]quinoxaline-1,4-dione