N-2,4-Dimethylphenyl-N'-methylformamidine HCl, 10.

1,2-Epoxybutane

2,6-Di-tert-butyl-1,4-benzoquinone

IP 436-98 Resolution Standard 3 Analytes, each Wt.% as listed in n-Heptane; units: 1x5mL, 5x5mL Cyclohexane 10.0 mg/mL o-Xylene 5.0mg/mL 1-Methylnaphtalene 0.5mg/mL