2,3-dimethoxy-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinolin-11-ol 6H-dibenzo[a,g]quinolizin-11-ol, 5,8,13,13a-tetrahydro-2,3-dimethoxy- InChI=1/C19H21NO3/c1-22-18-9-12-5-6-20-11-13-3-4-15(21)7-14(13)8-17(20)16(12)10-19(18)23-2/h3-4,7,9-10,17,21H,5-6,8,11H2,1-2H