(3R,8S,10S,13S,14S,17R)-17-[(2R,5R)-5-hydroxy-2,6,6-trimethyltetrahydro-2H-pyran-2-yl]-4,4,8,10,14-pentamethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl rel-acetate (non-preferred name) 3beta-Acetyl-20,25-epoxydammarane-24alpha-ol Acetic acid 17-(5-hydroxy-2,6,6-trimethyl-tetrahydro-pyran-2-yl)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester InChI=1/C32H54O4/c1-20(33)35-26-15-16-29(6)23(27(26,2)3)13-18-31(8)24(29)11-10-21-22(12-17-30(21,31)7)32(9)19-14-25(34)28(4,5)36-32/h21-26,34H,10-19H2,1-9H3/t21-,22+,23?,24?,25+,26+,29+,30-,31-,32+/m1/s