41468-36-4
2-diethoxyphosphorylethanamine
+
19741-14-1
4-[N-(2,4-二氨基-6-蝶啶甲基)-N-甲氨基]苯甲酸半盐酸盐n水
→
113811-49-7
2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]ethylphosphonic acid