of4-and2-inbyhigh-/highmass

LIUYun;DINGTao;FEIXiao-Qing;SHEN-Yu;WUBin;Rui;CHENLei;Xiao-Yan;TANMeng-Ru;-Exitand;of,;

Aofhigh-/highmass(HPLC-Q/MS)wasto4-and2-in.Thewerewith,andthenbya(PTFE)withporesizeof0.22μm.ThewereonanPlus(2.1mm×100mm,3.5μm)withand5mmol/Lof(v:v,8:2).Fullscanovertheofm/z50~400inmodetothemassof.the,4-(4-MI)and2-(2-MI)werewell,andtheofmasswas5×10-6.Thefor4-MIand2-MIwere50μg/kgand25μg/kg,.Goodwereinwiththan0.99.Theat(50,100and150μg/kg)wereintheof73.2%~107.9%andthe(RSDs)than9.7%.Thewas,onuseof,,andcanmeettheoftheofinallof.Thewasto30of12fromand.Thethat4-MInor2-MIwas.