(2R,3S)-2-(methoxymethoxy)-3-((3aS,3bS,6aS,7aS,10aR,11aR,11bS,13aS)-9,9,11a,13a-tetramethyl-6-oxohexadecahydro-1H-[1,3]dioxolo[4',5':4,5]benzo[1,2-c]indeno[5,4-e]oxepin-1-yl)butanal

(22R,23R)-23-hydroxy-2α,3α-isopropylidenedioxy-22-methoxymethoxy-B-homo-7-oxa-5α-ergost-24(28)-en-6-one

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

(22R)-2α,3α-isopropylidenedioxy-22-methoxymethoxy-6-oxo-B-homo-24-nor-7-oxa-5α-cholan-22-al trimethylene dithioacetal

(3aS,3bS,6aS,7aS,10aR,11aR,11bS,13aS)-1-((2S,3R,4R)-4-hydroxy-3-(methoxymethoxy)-6-methylheptan-2-yl)-9,9,11a,13a-tetramethylhexadecahydro-6H-[1,3]dioxolo[4',5':4,5]benzo[1,2-c]indeno[5,4-e]oxepin-6-one

(22S,23S)-2α,3α,22,23-tetraacetoxy-B-homo-7-oxa-5α-cholestan-6-on

(22R,23R)-2α,3α,22,23-tetra-acetoxy-B-homo-7-oxa-5α-ergost-24(28)-en-6-one