2-(((bis(2-chloroethyl)carbamoyl)oxy)methyl)-4-((R)-2-((3S,8S,9S,10R,13R,14S,17R)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)propyl)pentane-1,5-diyl bis(bis(2-chloroethyl)carbamate)

Toluene-4-sulfonic acid (2S,3S)-3-((1S,3R,8S,9S,10R,13S,14S,17R)-1,3-bis-methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-hydroxy-butyl ester

Toluene-4-sulfonic acid (2R,3S)-3-((1S,3R,8S,9S,10R,13S,14S,17R)-1,3-bis-methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-hydroxy-butyl ester