2,3,6,7-Tetrachlorobiphenylene, 1.2ml x 1x10-4M, dimethylsulfoxide

17ß(H),18 alpha(H)-22-Methyl-28-nor-spergulane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.

N-Nitrosodiethylamine, 100 µg/ml, Methanol, 5ml

Heliotrine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 303-33-3