delta-lactone fatty acid ester Simvastatin simvastatin (1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate 2,2-dimethylbutyric acid, 8-ester with (4R,6R)-6-(2-((1S,2S,6R,8S,8aR)-1,2,6,7,8,8a-hexahydro-8-hydroxy-2,6-dimethyl-1-naphthyl)ethyl)tetrahydro-4-hydroxy-2H-pyran-2-one 36567 A fatty acid ester comprising a dihydroxyheptanoic acid unit condensed into a lactone; a partially reduced naphthalene structure; and a 2,2-dimethylbutyric acyl substituent at C17. It is used as a cholesterol-lowering and anti-cardiovascular disease drug. Beilstein:4768037 C25H38O5 CHEBI:45577 CHEBI:9150 ChemIDplus:79902-63-9 DrugBank:DB00641 InChI=1S/C25H38O5/c1-6-25(4,5)24(28)30-21-12-15(2)11-17-8-7-16(3)20(23(17)21)10-9-19-13-18(26)14-22(27)29-19/h7-8,11,15-16,18-21,23,26H,6,9-10,12-14H2,1-5H3/t15-,16-,18+,19+,20-,21-,23-/m0/s1 InChIKey=RYMZZMVNJRMUDD-HGQWONQESA-N KEGG DRUG:79902-63-9 KEGG DRUG:D00434 MK-733 Patent:EP33538 Patent:US4444784 Simvastatin Simvastatina Simvastatine Simvastatinum Wikipedia:Simvastatin Zocor [H][C@]12[C@H](C[C@@H](C)C=C1C=C[C@H](C)[C@@H]2CC[C@@H]1C[C@@H](O)CC(=O)O1)OC(=O)C(C)(C)CC simvastatin