13C

An internal standard for the quantification of levomefolate

An internal standard for the quantification of desogestrel

An internal standard for the quantification of azelastine

An internal standard for the quantification of emedastine

An internal standard for the quantification of alizapride

An internal standard for the quantification of olsalazine

An internal standard for the quantification of uracil

An internal standard for the quantification of flumequine

An internal standard for the quantification of butenafine

An internal standard for the quantification of triclabendazole

An internal standard for the quantification of indapamide

An internal standard for the quantification of 2-deoxy-D-glucose

An internal standard for the quantification of 4-nitroaniline

An internal standard for the quantification of ribavirin

An internal standard for the quantification of L-serine

An internal standard for the quantification of glycine

An internal standard for the quantification of gliotoxin

An internal standard for the quantification of DHA

An internal standard for the quantification of dabigatran

一种用于量化EPA的内部标准

一种用于定量二乙酰氧基蒽环醇的内部标准

一种测定丙酸邦克雷的内部标准

一种测定氟虫腈含量的内部标准。

Cytosine-13C,15N2 is intended for use as an internal standard for the quantification of cytosine by GC- or LC-MS.