natural remedies · Ingredient 13-methyl-3-oxo-20-ursen-28-oic acid Formula: C31H48O3 ⚗️ IdentityName13-methyl-3-oxo-20-ursen-28-oic acid🔗 External ReferencesHERB DBHBIN001259 ↗CAS Number138994-71-5 ↗