Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL,

Surrogate Standard

6-Chloro-4-(2-chlorophenyl)-2-quinazoline carboxaldehyde, neat, Solvent-neat, Unit 25mg, # of units-, Cas.no. 93955-15-8

Pyridalyl, 50mg