Sildenafil-d8 (piperazine-d8),100 µg/mL,MeOH,1mL

n-Hexyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1083-27-8 for unlabelled

n-Hexadecylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 6812-38-0

Dalapon methyl ester