Dopamine,1000 µg/mL,MeOH with 5% 1 M HCl,1mL,

Di-n-propyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,10mL

Benzidine

Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL,