. "(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-pentanoic acid [(1R,2R)-2-hydroxy-1-hydroxymethyl-2-(4-nitro-phenyl)-ethyl]-amide" . "17" . . . . . . . . . . . . . . . . . . . .