EPA Method 8260B Mix #5

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

4-Nitrosopiperazin-2-one,neat,neat,10mg,

Fluridone, 250mg