22,25-Epoxy-3,20-dihydroxylanosta-7,9(11)-dien-18-oic acid gamma-lactone, (3beta)- 6758-71-0 Holothurinogenin, 17-deoxy-22,25-epoxy- Lanosta-7,9(11)-dien-18-oic acid, 22,25-epoxy-3,20-dihydroxy-, gamma-lactone, (3beta)- Lanosta-7,9(11)-dien-18-oic acid, 22,25-epoxy-3beta,20-dihydroxy-, gamma-lactone, (20S)-