Internal & Surrogate Standard 8260B

Carvedilol-d4 (ethyl-d4), neat, Solvent-neat, Unit 10mg, # of units-, Cas.no. 1133705-56-2

Spiramycin, 100mg

2-Ethoxy-3-ethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.