Isobutyl acetate,1000 µg/mL,MeOH,1mL,

4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol

Acetamipid-d3 (N-methyl-d3) (mixture of isomers),100 µg/mL,acetonitrile,1mL,

m-Cresol