Theophylline

2,4-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2213-23-2

4-Methyl-2-pentanone-2,4-dinitrophenylhydrazone, 100mg

3,5-Dichloronitrobenzene