76824-35-6
法莫替丁
→
~75%
107880-74-0
3-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfanyl]propanoic acid
76823-94-4
3-(((胍基-4-噻唑基)甲基)硫)丙亚氨酸甲酯