6182-24-7 AIDS-125432 AIDS125432 NSC72297 [3-(17-Hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-3-oxo-propyl]-phosphonic acid diisopropyl ester