945-24-4
2,4-二氨基-6-羟甲基蝶啶
→
43111-51-9
ethyl 4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoate
10541-82-9
4-(甲基氨基)苯甲酸乙酯
+
52853-40-4
6-溴乙基-喋啶-2,4-二胺