(R)-4-[(3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-Tris-(2-azido-ethoxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentan-1-ol
(3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-Dimethyl-17-((R)-1-methyl-4-trityloxy-butyl)-hexadecahydro-cyclopenta[a]phenanthrene-3,7,12-triol
Methanesulfonic acid 2-[(3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7-bis-(2-methanesulfonyloxy-ethoxy)-10,13-dimethyl-17-((R)-1-methyl-4-trityloxy-butyl)-hexadecahydro-cyclopenta[a]phenanthren-12-yloxy]-ethyl ester
(3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-Tris-(2-azido-ethoxy)-10,13-dimethyl-17-((R)-1-methyl-4-trityloxy-butyl)-hexadecahydro-cyclopenta[a]phenanthrene
(3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-Tris-allyloxy-10,13-dimethyl-17-((R)-1-methyl-4-trityloxy-butyl)-hexadecahydro-cyclopenta[a]phenanthrene