(22R)-20-hydroxy-22,26-epoxyergosta-2,5,24-triene-1,26-dione 20beta-Hydroxy-1-oxo-(22R)-witha-2,5,24-trienolide 6-[1-(10,13-Dimethyl-1-oxo-4,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1-hydroxy-ethyl]-3,4-dimethyl-5,6-dihydro-pyran-2-one InChI=1/C28H38O4/c1-16-15-24(32-25(30)17(16)2)28(5,31)22-12-11-20-19-10-9-18-7-6-8-23(29)27(18,4)21(19)13-14-26(20,22)3/h6,8-9,19-22,24,31H,7,10-15H2,1-5H3/t19-,20-,21-,22-,24+,26-,27-,28+/m0/s ergosta-2,5,24-triene-1,26-dione, 22,26-epoxy-20-hydroxy-, (22R)-