(5S,6S,8R)-6-cyano-5-methyl-13-oxo-5,6,7,8,14,15-hexahydro-13H-16-oxa-4b,8a,14-triaza-5,8-methanodibenzo[b,h]cycloocta[jkl]cyclopenta[e]-as-indacen-6-yl acetate

(5R,6S,8R)-5-(iodomethyl)-13-oxo-6,7,8,13,14,15-hexahydro-5H-16-oxa-4b,8a,14-triaza-5,8-methanodibenzo[b,h]cycloocta[jkl]cyclopenta[e]-as-indacen-6-yl acetate

13-((2R,4S,5S)-4-hydroxy-5-((phenylselanyl)methyl)tetrahydrofuran-2-yl)-6,7,12,13-tetrahydro-5H-indolo[2,3-a]pyrrolo[3,4-c]carbazol-5-one

(2S,3S,5R)-5-(7-oxo-6,7-dihydro-5H-indolo[2,3-a]pyrrolo[3,4-c]carbazol-12(13H)-yl)-2-((phenylselanyl)methyl)tetrahydrofuran-3-yl acetate

(2R,3S,5R)-5-(6,13-diacetyl-7-oxo-5,6,7,13-tetrahydro-12H-indolo[2,3-a]pyrrolo[3,4-c]carbazol-12-yl)-2-(((4-methylbenzoyl)oxy)methyl)tetrahydrofuran-3-yl 4-methylbenzoate