4-(1-Hydroxymethyl-4-methoxy-7,9,9-trimethyl-1,2,9,12-tetrahydro-3,8-dioxa-12-aza-benzo[a]cyclopenta[i]fluoren-2-yl)-2,6-dimethoxy-phenol InChI=1/C30H31NO7/c1-14-9-17-18-12-22(36-6)29-23(25(18)31-24(17)16-7-8-30(2,3)38-27(14)16)19(13-32)28(37-29)15-10-20(34-4)26(33)21(11-15)35-5/h7-12,19,28,31-33H,13H2,1-6H3/t19-,28+/m1/s Murrayanine furo[3,2-a]pyrano[2,3-i]carbazole-1-methanol, 1,2,9,12-tetrahydro-2-(4-hydroxy-3,5-dimethoxyphenyl)-4-methoxy-7,9,9-trimethyl-, (1S,2R)- rel-4-[(1R,2S)-1-(hydroxymethyl)-4-methoxy-7,9,9-trimethyl-1,2,9,12-tetrahydrofuro[3,2-a]pyrano[2,3-i]carbazol-2-yl]-2,6-dimethoxyphenol