Compounds represented by the formula (I) ##STR1## wherein R is hydrogen or hydroxyl, one of X and Y is fluorine and the other is hydrogen or both X and Y are fluorine, and Su is a hydrogen atom or a sugar moiety; where Su is a sugar moiety, the compounds are useful anticancer antibiotics; pharmaceutical preparations containing the antibiotics and a method for inhibiting the growth of mammalian tumors are also disclosed.
由式(I)表示的化合物如下:其中R为氢或羟基,X和Y中的一个为
氟,另一个为氢,或者X和Y都为
氟,Su为氢原子或糖基;当Su为糖基时,这些化合物是有用的抗癌抗生素;还公开了含有这些抗生素的药物制剂以及抑制哺乳动物肿瘤生长的方法。