Atrazine-desisopropyl, 10.0 µg/ml, Acetonitrile,

2-Methyl-5-nitroaniline, 100 µg/ml, Acetonitrile,

2,4,6-Trichloro[13C6]phenol, 1.2ml x 100ug/ml, isooctane

all-trans-Retinoic Acid-d5 (major), 1mg