3-methoxy-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline-2,9-diol 6H-dibenzo[a,g]quinolizine-2,9-diol, 5,8,13,13a-tetrahydro-3-methoxy- InChI=1/C18H19NO3/c1-22-18-8-12-5-6-19-10-14-11(3-2-4-16(14)20)7-15(19)13(12)9-17(18)21/h2-4,8-9,15,20-21H,5-7,10H2,1H