has role methyl ester pyridines sesquiterpene alkaloid terpene lactone acetate ester macrocyclic lactone anti-HIV agent triptonine B 961.91170 A sesquiterpene alkaloid with anti-HIV activity isolated from Tripterygium hypoglaucum. C45H55NO22 CAS:168009-85-6 CHEBI:66277 COC(=O)CC1C(=O)CCC(C)C(=O)O[C@@H]2[C@@H]3[C@@H](OC(C)=O)[C@@]45O[C@@]3(C)COC(=O)c3cnccc3C(C)C(C)(O)C(=O)O[C@@H]([C@H](OC(C)=O)[C@H](OC(C)=O)[C@@]4(COC1=O)[C@@H]2OC(C)=O)[C@]5(C)O GSBZVVMZYQMZBG-XMOOUNKUSA-N InChI=1S/C45H55NO22/c1-19-11-12-28(51)26(15-29(52)59-10)38(54)61-18-44-35(64-23(5)49)31(66-37(19)53)30-33(63-22(4)48)45(44)43(9,58)34(32(62-21(3)47)36(44)65-24(6)50)67-40(56)42(8,57)20(2)25-13-14-46-16-27(25)39(55)60-17-41(30,7)68-45/h13-14,16,19-20,26,30-36,57-58H,11-12,15,17-18H2,1-10H3/t19?,20?,26?,30-,31-,32+,33-,34+,35-,36+,41+,42?,43+,44-,45+/m1/s1 PMID:10757718 Reaxys:8305955 chebi_ontology plant metabolite