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1，3-Dimethylbarbituric acid

5，5-Dimethyl-1-pyrroline N-oxide

2，3-Dimethylpyrazine

Diisopropyl azodicarboxylate

|N|，|N|-Dimethyloctylamine

Di-|tert|-butyl azodicarboxylate

3，4-Dimethylbenzophenone

4-(Dimethylamino)cinnamaldehyde

2，5-Dimethylpyrazine

β-Glycerol phosphate disodium salt

2，6-Diisopropylphenol

Diisopropanolamine

2，5-Dimethylaniline

1，2-Dimethylimidazole

4，6-Dimethyl-2-pyrimidinethiol

3，5-Dimethylphenol Standard

Diethylenetriaminepentaacetic acid dianhydride (DTPA)

1，2-Di(4-pyridyl)ethylene

2，2'-Dipyridylamine

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