1,3-Dioxolo(4,5-g)isoquinolin-5-ol, 5,6,7,8-tetrahydro-4-methoxy-6-methyl- (9CI) 4-27-00-06448 (Beilstein Handbook Reference) 5,6,7,8-Tetrahydro-4-methoxy-6-methyl-1,3-dioxolo(4,5-g)isoquinolin-5-ol 82-54-2 BRN 0022879 COTARNIN Cotarnine EINECS 201-429-8