Naphthalene-d8

Perfluorobutane sulphonate, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29420-49-3

2-Ethylhexyldiphenyl phosphate,1000 µg/mL,isooctane,1mL

Progesterone