The invention relates to a novel prodrug compound useful in the treatment of tumors, of the formula: A--CO(CH.sub.2).sub.m (NHCO).sub.n --R wherein A is a residue of an antitumor substance having >NH or --NH.sub.2 group in the molecule, R is a residue of cholesterol, m is an integer of 1 or 2 and n is 0 or 1, and its salts.
本发明涉及一种新型前药化合物,可用于肿瘤治疗,其
化学式为:A--CO(CH.sub.2).sub.m (NHCO).sub.n --R,其中A是分子中具有>NH或--NH.sub.2基团的抗肿瘤物质的残基,R是
胆固醇的残基,m为1或2的整数,n为0或1,以及其盐。