(3beta,8xi,9xi,14xi,16xi,17xi)-spirosolan-3-ol InChI=1/C27H45NO2/c1-16-7-12-27(28-15-16)17(2)24-23(30-27)14-22-20-6-5-18-13-19(29)8-10-25(18,3)21(20)9-11-26(22,24)4/h16-24,28-29H,5-15H2,1-4H3/t16?,17-,18?,19-,20?,21?,22?,23?,24?,25-,26-,27?/m0/s spirosolan-3-ol, (3beta,8xi,9xi,14xi,16xi,17xi)-