trans-Urocanic acid, 100mg

Dichloroacetic acid, certified, 1g

2-n-Amylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4861-58-9

2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene