Cephalosporins

Methyl 10-cis-heptadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 75190-82-8

Direct Red 28, certified, 0.1g

Trifluoroacetic acid, 50µg/ml in MeOH, 1,2ml