4,4'-Oxydianiline, 250mg

2,2',3,4,4',6-Hexabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Melatonin,1000 µg/mL,MeOH,1mL,

n-Tetracosane, ?13C: -26.42, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 646-31-1