1,1,1,2-Tetrachloroethane-d2,neat,neat,100mg,

1,2,3,4,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Caffeine

Vardenafil hydrochloride trihydrate, certified, 0.1g