(3beta,5xi,9xi,13xi,18xi,19alpha)-urs-20-ene-3,30-diol 11-Hydroxymethyl-4,4,6a,6b,8a,12,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,12,12a,12b,13,14,14a,14b-icosahydro-picen-3-ol InChI=1/C30H50O2/c1-19-20(18-31)10-13-27(4)16-17-29(6)21(25(19)27)8-9-23-28(5)14-12-24(32)26(2,3)22(28)11-15-30(23,29)7/h10,19,21-25,31-32H,8-9,11-18H2,1-7H3/t19-,21?,22?,23?,24+,25?,27-,28+,29-,30-/m1/s Taraxast-20-ene-3beta,30-diol urs-20-ene-3,30-diol, (3beta,5xi,9xi,13xi,18xi,19alpha)-