2,3-dimethyl-2,3-divatrobuutane (DMNB) ndiowonjezera pamasamba ophulika a mapepala.
Zogulitsa zakhala zikugwiritsidwa ntchito popanga ma protocol othamanga, omwe ali ndi mitsinje (DMMB yophulika) pamalo osavomerezeka a carbon mbib mbible.
Protocol iyi idagwiritsa ntchito njira yothetsera phosphate ndi PH 7.0.