4-Nonyl Phenol-13C6, 1mg

4,5,6,7-Tetrabromo-1,1,3-trimethyl-3-(2,3,4,5-tetrabromophenyl)-indane, 1.2ml x 50ug/ml, toluene

18O4-Sodium perchlorate, 5mg

Crotonaldehyde-DNPH