172056 GA 18beta-glycyrrhetinic acid 154 3540305 18beta-GA 18beta-glycyrrhetinic acid 107 1008977 GRA 18beta-glycyrrhetinic acid 21 2257798 18Gly 18beta-Glycyrrhetinic acid 1 2255321 18b-GA 18beta-Glycyrrhetinic acid 1 1008934 GrA 18beta-Glycyrrhetinic acid 1