Sildenafil-d3 (N-methyl-d3-piperazine), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1126745-90-1

(24R)-24-Methyl-3,5-cyclocholestane and (24R)-24-Ethyl-3,5-cyclocholestane, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36545-67-2 / '38776-72-6

3-Methyl-d3-2-buten-4,4,4-d3-1-thiol,100 µg/mL,MeOH,1mL

Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 1.2ml x 50ug/ml, methanol