Sildenafil-d8 (piperazine-d8),neat,neat,10mg

3,4-Dichloronitrobenzene, 10 µg/ml, Methanol, 10

3-Methylphenol, 100 µg/ml, Acetonitrile, 1ml

2,2',4,4',6-Pentabromo-6'-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene