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维生素_(15)为Krebs在1951年发现,一般称为潘加酸(pangamic acid),实验式为C_(10)H_(19)O_8N。经多人研究后确定其构造式为I。其钠盐可溶于水中,不溶于氯仿、乙醚及其他脂溶性溶剂中。市售的维生素D_(15)制剂中的主要成分的构造式为II或为葡萄糖酸钠和二异
Vitamin_(15) was discovered by Krebs in 1951. It is commonly known as pangamic acid and its experimental formula is C_(10)H_(19)O_8N. After many people’s studies, it was determined that its structural formula was I. Its sodium salt is soluble in water and insoluble in chloroform, ether and other fat soluble solvents. The main ingredient in the commercially available vitamin D 15 preparation has the formula II or is sodium gluconate and diiso