4-Nitroaniline,100 µg/mL,acetonitrile,1mL,

Calycosin-7-O-beta-D-glucoside, >98%, 20mg

Methacrifos, 100 µg/ml, Toluene, 1ml

17-Hydroxyprogesterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 68-96-2