InChI=1/C20H23NO4/c1-22-17-7-11-5-15-14-10-20(25-4)18(23-2)8-12(14)6-16(21-15)13(11)9-19(17)24-3/h7-10,15-16,21H,5-6H2,1-4H dibenzo[a,e]cycloocten-5,11-imine, 5,6,11,12-tetrahydro-2,3,8,9-tetramethoxy-, (5R,11R)- rel-(5R,11R)-2,3,8,9-tetramethoxy-5,6,11,12-tetrahydro-5,11-epiminodibenzo[a,e][8]annulene