Dibenz[a,h]anthracene-d14, 100µg/ml in Isooctane, 1ml

2-Phenylbenzimidazole-5-sulfonic acid, neat, Solvent-neat, Unit 10MG, # of units-16, Cas.no. 27503-81-7

(±)-Vanillomandelic acid,neat,neat,100mg,

Anhydroerythromycin A, 2,5mg