(3beta,4beta,20beta,22beta)-3,22,23-Trihydroxyoleana-11,13(18)-dien-29-oic acid gamma-lactone 111150-27-7 3,22,23-Trihydroxyoleana-11,13(18)-dien-29-oic acid gamma-lactone, (3beta,4beta,20beta,22beta)- Oleana-11,13(18)-dien-29-oic acid, 3,22,23-trihydroxy-, gamma-lactone, (3beta,4beta,20beta,22beta)- Uralenolide