24-Norchola-20,22-diene-4-carboxaldehyde, 3,12-bis(acetyloxy)-14,15:21,23-diepoxy-1,7,19-trihydroxy-4,8-dimethyl-11-oxo-, cyclic 4,19-(acetyl acetal), [1.alpha.,3.alpha.,4.beta.(S),5.alpha.,7.alpha.,12.alpha.,13.alpha.,14.beta.,15.beta.,17.alpha.]- 62078-28-8 NSC299117 SENDANIN