Synonyms: 3,4-Secocondyfolan-3-one,2,21:16,19-diepoxy-12-(2-hydroxy-1-methoxyethoxy)-4-methyl-, [12(S),14b,16b,19R,21a]-; Dichotine, 2,21-dehydrotetrahydro- (8CI);2,21-Dehydrotetrahydrodichotine; 4H,13H-5,13a-Epoxy-3,8a-methanofuro[2',3':6,7]azonino[5,4-b]indol-15-one,2,3,5,6,7,8-hexahydro-12-(2-hydroxy-1-methoxyethoxy)-2,6-dimethyl-, [2R-[2a,3a,3ab,5b,8aa,12(S*),13ab,13bb]]-