(3.beta.,16R)-3,17-Dihydroxy-16-(methoxycarbonyl)-4-methyl-2,4(1H)-cyclo-3,4-secoakuammilanium 13H-3,8a-Methano-1H-azepino[1',2':1,2]pyrrolo[2,3-b]indolium, 4-ethylidene-2,3,4,5,7,8-hexahydro-1-hydroxy-14-(hydroxymethyl)-14-(methoxycarbonyl)-6-methyl-, (1S,3S,4E,8aS,13aR,14R)- 6871-44-9 AIDS-002669 AIDS002669 Echitamine Indole alkaloid