71611-27-3 (8r,9s,13s,14s,17s)-17-(2-fluoroethoxy)-3-methoxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene 75635-18-6 (1R,2R,3S,4R,6S)-4,6-diamino-3-[(2,3-diamino-2,3-dideoxy-4-O-methyl-alpha-D-lyxopyranosyl)oxy]-2-hydroxycyclohexyl 2,6-diamino-2,4,6-trideoxy-alpha-D-xylo-hexopyranoside