Derivatives of 63-(trifluoromethyl)phenylpyridazin-3(2H)-one having antitumor activity

摘要

The present invention relates to a class of pyridazinones of formula I, which comprises 6-[3-(trifluoromethyl)phenyl]pyridazin-3(2H)-one as a mother nucleus, the preparation method thereof and the use thereof in manufacturing medicaments against tumors, especially liver cancer.;