Sodium perfluoro-3-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol

1,3,5-Trioxane

alpha alpha alpha (20R 24R)-24-Methylcholestane and alpha alpha alpha (24R 24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3/62446-14-4

2,2',3,4,4',5-Hexachlorobiphenyl (137)