110-89-4
哌啶
+
100378-15-2
4-methyl-2-nitroamino-pyrimidine-5-carboxylic acid ethyl ester
→
100451-18-1
4-甲基-2-哌啶-1-基-嘧啶-5-甲酸乙酯
3788-94-1
2-乙氧亚甲基乙酰乙酸乙酯