the early eluting peak ( which contained 90 % of the total leip and 75 % of the total meip ) eluted close to , but not in , the void volume of the column , whereas the elution volume of a later eluting peak ( which contained 25 % of the total meip and about 5 % of the total leip ) was close to that of authentic enk .
C0014294
leip
C0014298
enk