Tormentic acid

2α,19α－Dihydroxyursolic acid

2α,3β,19-Trihydroxyurs-12-en-28-oic acid

2α,3β,19α-Trihydroxyurs-12-en-28-oic acid

2α,3β,19α-Trihydroxy-19-methyl-30-noroleana-12-ene-28-oic acid