1,10-Dimethoxy-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinoline-2,9-diol 4H-dibenzo[de,g]quinoline-2,9-diol, 5,6,6a,7-tetrahydro-1,10-dimethoxy- 568-39-8 InChI=1/C18H19NO4/c1-22-15-8-11-10(7-13(15)20)5-12-16-9(3-4-19-12)6-14(21)18(23-2)17(11)16/h6-8,12,19-21H,3-5H2,1-2H Norboldine