3d image of dimethyldioctadecylammonium bromide skeletal formula

dimethyldioctadecylammonium bromide dioctadecyldimethylammonium dodab quaternary ammonium surfactant unilamellar vesicles ulvs cationic vesicle dispersion rendering anionic cleansing hydrophilic hydrophobic synthetic detergent zwitterionic surface tension micelle surfaces emulsifying substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block atom molecule molecular structural structure formula skeletal geometry ball stick