Synonyms: 2H-Pyrano[2'',3'':5',6']benz[1',2':6,7]indeno[1,2-b]indole-4a(4bH)-carboxaldehyde,3,4,5,6,6a,7,12,12b,12c,13,14,14a-dodecahydro-4-hydroxy-2-(1-hydroxy-1-methylethyl)-12b,12c-dimethyl-,[2S-(2a,4b,4aa,4bb,6aa,12bb,12ca,14ab)]-; FO 2546M; Terpendole G