title: [New diterpenoids of Rabdosia macrocalyx: the structure of macrocalin A and macrocalin B].
mesh_terms: D002681:China; D004224:Diterpenes / Q000302:isolation & purification* / Q000494:pharmacology; D006801:Humans; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D004224:Diterpenes; C045861:macrocalin A; C045862:macrocalin B