àtúnrí Zwitterionic yìí máa jẹ́ kí a rí Ortho- sulfate (5), tí a máa Domisí láti lè rí Ortho-hydroxyl aniline.ìwé àkàsíwájú sìtún wo Elbs persulfate persulfate oxidationàwọn pọ̀ àwọn àyọkà chemistry.. 