(-)-Thalidasine 16623-56-6 6,6',7,7',12-Pentamethoxy-2,2'-dimethylthalidasan NSC 90285 O-Methylthalfetidine Thalfetidine, O-methyl- (7CI) Thalidasan, 6,6',7,7',12-pentamethoxy-2,2'-dimethyl- (9CI) Thalidasin Thalidasine Thalidazine