[1] GUO Q L, YANG J S. Sesquiterpenes in Inula L. plants and their pharmacological activities[J]. Nat Prod Res Dev, 2005, 17(6): 804-809. [2] KONISHI T, SHIMADA Y, NAGAO T, et al. Antiprolferative sesquiterpene lactones from the roots of Inula helenium[J]. Biol Pharm Bull, 2002, 25(10):1370-1372. [3] YANG C, WANG C M, JIA Z J. Sesquiterpenes and other constituents from the aerial parts of Inula japonica[J]. Planta Med, 2003, 69(7):662-666. [4] SU B N, TAKAISHI Y, YABUUCHI T, et al. Sesquiterpenes and monoterpenes from the barks of Inula macrophylla[J]. J Nat Prod, 2001, 64(4):466-471. [5] XIN X L, MA X C, LIN K X, et al. Microbial transformation of alantolactone by Mucor polymorphosporus[J]. J Asian Nat Prod Res, 2008, 10(10):933-937. [6] FU B, SU B N, TAKAISHI Y, et al. A bis-sesquiterpene and sesquiterpenolides from Inula macrophylla[J]. Phytochemistry, 2001, 58(7):1121-1128. [7] ZARGA M H, SABRI S S, HAMED E M, et al. A new eudesmane type sesquiterpene from Inula viscosa[J]. Nat Prod Res, 2003, 17(2):99-102. [8] YANG C, WANG P F, JIA Z J, et al. Two new sesquiterpenes from Inula japonica[J]. Chin Chem Lett(中国化学快报英文版), 2003, 14(5):485-486. [9] HERNNDEZ V, MNEZ S, RECIO M C, et al. Anti-inflammatory profile of dehydrocostic acid, a novel sesquiterpene acid with a pharmacophoric conjugated diene[J]. Eur J Pharm Sci, 2005, 26(2):162-169. [10] BAI N S, LAI C S, HE K, et al. Sesquiterpene lactones from Inula britannica and their cytotoxic and apoptotic effects on human cancer cell lines[J]. J Nat Prod, 2006, 69(4):531-535. [11] CHEN Y Z, WEN J K, HAN M, et al. Effects of 1-o-acetylbritannilactone on cyclo-oxygenase-2 and intercellular adhesion molecule-1 expression in human vascular endothelial cells[J]. Chin J Arteriosclerosis, 2005, 13(2):129-132. [12] HARVALA E, ALIGIANNIS N, SKALTSOUNIS A L, et al. Cytotoxic germacranolides from Inula verbascifolia Subsp. methanea[J]. J Nat Prod, 2002, 65(7):1045-1048. [13] AHMED A A, MOHAMED A H, TZAKOU O, et al. Terpenes from Inula verbascifolia[J]. Phytochemistry, 2003, 62(8):1191-1194. [14] CHEN C N, HUANG H H, W U C L, et al. Isocostunolide, a sesquiterpene lactone, induces mitochondrial membrane depolarization and caspase-dependent apoptosis in human melanoma cells[J]. Cancer Lett, 2007, 246(1/2):237-252. [15] HERNANDEZ V, RECIO M D C, MANEZ S, et al. A mechanistic approach to the in vivo anti-inflammatory activity of sesquiterpenoid compounds isolated from Inula viscosa[J]. Planta Med, 2001, 67(8):726-731. [16] MAO M, NEEMAN I. Effects of Inula viscosa extract on chitin synthesis in dermatophytes and Candida albicans[J]. J Ethnopharmacol, 2000, 71(3):479-482. [17] SU B N, TAKAISHI Y, TORI M, et al. Macrophyllidimers A and B, two novel sesquiterpene dimmers from the bark of Inula macrophylla[J]. Tetrahedron Letters, 2000, 41(7):1475-1479. [18] SU B N, YOSHIHISA T, MATOO T, et al. Macrophyllols A and B, two unusual novel sesquiterpene and monoterpene dimers from the bark of Inula macrophylla[J]. Org Lett, 2000, 2(4), 483-496. [19] JIN H Z, LEE D, LEE J H, et al. New sesquiterpene dimers from Inula britannica inhibit NF-κB activivation and NO and TNF-α production in LPS-stimulated RAW264. 7 cells[J]. Planta Med, 2006, 72(1):166-168. [20] QIN J J, JIN H Z, FU J J, et al. Japonicones A-D, bioactive dimeric sesquiterpenes from Inula japonica thumb[J]. Bio Med Chem Lett, 2009, 19(3):710-713. [21] QIN J J, JIN H Z, ZHU J X, et al. Japonicones E-L, dimeric sesquiterpene lactones from Inula japonica thumb[J]. Planta Med, 2010, 76(3):278-283. [22] CAFARCHIA C, DE LAURENTIS N, MILILLO M A, et al. Antifungal activity of essential oils from leaves and flowers of Inula viscosa (Asteraceae) by Apulian region[J]. Parassitologia, 2002, 44(3-4):153-156. [23] ZHA J P, FUN Y, WU Y B, et al. Study of chemical constituents of the essential oil from Inula britannica L. by GC-MS[J]. J Chin Med, 2005, 28(6):466-468. [24] STOJAKOWSKA A, KEDZIA B, KISIEL W. Antimierobial activity of 10-isobutyryloxy-8,9-epoxythymol isobutyrate[J]. Fitoterapia, 2005, 76(7-8):687-690. [25] OZENBLAT S, GROSSMAN S, BERGMAN M, et al. Induction of G2/M arrest and apoptosis by sesquiterpene lactones in human melanoma cell lines[J]. Biochem Pharmacol, 2008, 75(2):369-382. [26] RAFI M M, BAI N S, CHI T H, et al. A sesquiterpene lactone from Inula britannica induces anti-tumor effects dependent on Bcl-2 phosphorylation[J]. Anticancer Res, 2005, 25(1A):313-318. [27] MNEZ S, HERNNDEZ V, GINER R M, et al. Inhibition of pro-inflammatory enzymes by inuviscolide, a sesquiterpene lactone from Inula viscosa[J]. Fitoterapia, 2007, 78(4):329-331. [28] LEE H T, YANG S W, KIM K H, et al. Pseudoguaianolides isolated from Inula britannia var. chinenis as inhibitory constituents against inducible nitric oxide synthesis[J]. Arch Pharm Res, 2002, 25(2):151-153.