C15H31COOH\mathrm{C}_{15} \mathrm{H}_{31} \mathrm{COOH}C15H31COOH
C17H35COOH\mathrm{C}_{17} \mathrm{H}_{35} \mathrm{COOH}C17H35COOH
C15H33COOH\mathrm{C}_{15} \mathrm{H}_{33} \mathrm{COOH}C15H33COOH
C17H33COOH\mathrm{C}_{17} \mathrm{H}_{33} \mathrm{COOH}C17H33COOH
C17H37COOH\mathrm{C}_{17} \mathrm{H}_{37} \mathrm{COOH}C17H37COOH