3912-57-0 8H-Benzo(g)-1,3-benzodioxolo(6,5,4-de)quinolin-8-one, 4-methoxy- (9CI) Antherospermidine Atherospermidine NSC 93680 Noraporphin-7-one, 4,5,6,6a-tetradehydro-3-methoxy-1,2-(methylenedioxy)- (8CI)