120-43-4
N-哌嗪甲酸乙酯
+
2103-57-3
2,3,4-三甲氧基苯甲醛
→
53531-01-4
ethyl 4-[(2,3,4-trimethoxyphenyl)methyl]piperazine-1-carboxylate
5011-34-7
曲美他嗪