FURAZANOBENZIMIDAZOLES AS PRODRUGS TO TREAT NEOPLASTIC OR AUTOIMMUNE DISEASES

摘要

A compound of formula II in which Z is C or N and the Z ring is optionally further substituted; R1 is H, lower alkylcarbonyl, hydroxy-lower alkyl or cyano-lower alkyl; and R2 is a group selected from (b), (c), and (d):