3-methoxy-8-methyl-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-8-methyl- InChI=1/C19H21NO3/c1-11-19-13(4-3-5-16(19)21)8-15-14-10-17(22)18(23-2)9-12(14)6-7-20(11)15/h3-5,9-11,15,21-22H,6-8H2,1-2H