1 EJ4 (4bs,8r,8as,14br)-7-(cyclopropylmethyl)-5,6,7,8,14,14b-hexahydro-4,8-methano[1]benzofuro[2,3-a]pyrido[4,3-B]carbazole-1,8a(9h)-diol 1.000 2 ZY8 (4bs,8r,8as,14br)-7-(cyclopropylmethyl)-5,6,7,8,9,14b-hexahydro-8ah-4,8-methanobis[1]benzofuro[3,2-E:2',3'-G]isoquinoline-1,8a-diol 0.938