heptanoate enanthate 7563-37-3 heptanoic acid, ion(1-) EINECS 231-459-7 InChI=1/C7H14O2/c1-2-3-4-5-6-7(8)9/h2-6H2,1H3,(H,8,9)/p- ZINC01577199 CH3-[CH2]5-COO(-) CHEBI:32362