28819-30-9
苯甲亚胺酸酰肼盐酸盐
+
609-09-6
酮基丙二酸二乙酯
→
36286-76-7
ethyl 5-oxo-3-phenyl-2H-1,2,4-triazine-6-carboxylate
1670-14-0
苄脒盐酸盐
37539-91-6
5-氯-3-苯基-1,2,4-噻嗪-6-羧酸乙酯