N-[6-[[2-[(8R,9S,13S,14S,17R)-3,17-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]acetyl]amino]hexyl]-5,11-dimethyl-1,6-dihydropyrido[4,3-b]carbazole-2-carboxamide N-[6-[[2-[(8R,9S,13S,14S,17R)-3,17-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-1-oxoethyl]amino]hexyl]-5,11-dimethyl-1,6-dihydropyrido[4,3-b]carbazole-2-carboxamide N-[6-[2-[(8R,9S,13S,14S,17R)-3,17-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]ethanoylamino]hexyl]-5,11-dimethyl-1,6-dihydropyrido[4,3-b]carbazole-2-carboxamide