MA - VPH Surrogate Spike

Propaquizafop, 100 µg/ml, Ethyl acetate, 5ml

Irbesartan-d4 (2,3,5,6-phenyl-d4),ca. 100 µg/mL,MeOH,1mL,

3,4,4'-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane