2-Methoxy-6,7,8,13,14,15-hexahydro-5H-benzo[7,8]cyclodeca[1,2-b]indole 6,7,8,13,14,15-Hexahydro-5H-benzo[7,8]cyclodeca[1,2-b]indol-2-yl methyl ether AIDS-139133 AIDS139133 NSC647391