1361-58-6 25161-55-1 5096-71-9 6,7,7',12-Tetramethoxy-2,2'-dimethylthalicberan NSC 269189 O-Methylthalicberine Thalicberan, 6,7,7',12-tetramethoxy-2,2'-dimethyl- (9CI) Thalicberine, O-methyl- Thalmidine