Methadone/Methaqualone/Propoxyphene

2'-Fluoro-2,4,4'-tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876310-22-4

Sorbic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 110-44-1

Isobutanol