4,4’-DDE

C21 Ring-C Monoaromatic sterane (5 alpha(H),10ß(CH3)/5ß(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98774-59-5 / 98774-61-9

3-Nitrophenanthrene, 10µg/mL in Cyclohexane, 10ml

(+/-)-alpha-Tocopherol