(19xi)-28-hydroxy-3-oxolup-20(30)-en-29-al 28-Hydroxy-3-oxo-lup-20-(29)-en-30-al InChI=1/C30H46O3/c1-19(17-31)20-9-14-30(18-32)16-15-28(5)21(25(20)30)7-8-23-27(4)12-11-24(33)26(2,3)22(27)10-13-29(23,28)6/h17,20-23,25,32H,1,7-16,18H2,2-6H3/t20?,21-,22+,23-,25-,27+,28-,29-,30-/m1/s lup-20(30)-en-29-al, 28-hydroxy-3-oxo-, (19xi)-