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

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