3-Hydroxylup-20(29)-en-28-oic acid 472-15-1 Betulinic acid CCRIS 6748 EINECS 207-448-8 Lup-20(29)-en-28-oic acid, 3-hydroxy-, (3beta)- Lup-20(29)-en-28-oic acid, 3beta-hydroxy- (8CI) Mairin NSC 113090 NSC 677578