Isoproturon, 10µg/mL in Acetonitrile, 10ml

(±)-Nicotine-d3 (N-methyl-d3),1000 µg/mL,acetonitrile,1mL,

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml

Cyromazine,neat,neat,250mg