(2R, 3S, 22R, 23E)-22-hydroxy-2,3-isopropylidenedioxy-24-ethyl-B-homo-7-oxa-5α-cholest-23-en-6-one

(2R, 3S, 22R, 23S, 24R)-23,24-epoxy-22-hydroxy-2,3-isopropylidenedioxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one

(2R, 3S, 22R, 23R, 24(28)E)-24(28)-ethylidene-22,23-dihydroxy-2,3-isopropylidenedioxy-B-homo-7-oxa-5α-cholestan-6-one