C-12-Q089mediumsingle_mcqলরাইল অ্যালকোহলের সংকেত—aC12H25OH\mathrm{C_{12}H_{25}OH}C12H25OHbC17H35OH\mathrm{C_{17}H_{35}OH}C17H35OHcC2H5OH\mathrm{C_2H_5OH}C2H5OHdCH3OH\mathrm{CH_3OH}CH3OH