long-chain fatty acid saturated fatty acid carbocyclic fatty acid prostanoic acid 310.287 310.51452 7-[(1S,2S)-2-octylcyclopentyl]heptanoic acid A carbocyclic fatty acid composed of heptanoic acid having a (1S,2S)-2-octylcyclopentyl substituent at position 7. Beilstein:5744307 C20H38O2 CCCCCCCC[C@H]1CCC[C@@H]1CCCCCCC(O)=O CHEBI:8504 InChI=1S/C20H38O2/c1-2-3-4-5-6-9-13-18-15-12-16-19(18)14-10-7-8-11-17-20(21)22/h18-19H,2-17H2,1H3,(H,21,22)/t18-,19-/m0/s1 KEGG:C02064 LIPID_MAPS_instance:LMFA03010000 PMID:6234649 Prostanoic acid Reaxys:5744307 WGJJROVFWIXTPA-OALUTQOASA-N chebi_ontology prostan-1-oic acid