(±)-Vanillomandelic acid-d3,100 µg/mL,MeOH,1mL,

6-Methylmercaptopurine, 250mg

N-Nitropiperazine-2,2,3,3,5,5,6,6-d8, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no.

Benzyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219805-81-8