Carbendazim, 100µg/ml in MeOH, 1ml

Norcodeine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 467-15-2

Oxalic acid, 250mg

p-Aminobenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 150-13-0