Methyl (4r)-4-[(3r,5r,8s,9s,10s,13r,14s,17r)-3-acetyloxy-12-bromo-11-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-17-yl]pentanoate
CAS No. 7751-11-3
Ribothymidine 849658-09-9