Metoprolol-D7 Hydrochloride, 1mg

2,4-DB-methyl ester, 250mg

Tris(2-butyloxyethyl)phosphate-d27,100 µg/mL,isooctane,1mL,

Diphenyltolyl phosphate - purified techn. mixture of o-, m-, p-tolyl isomers,50 µg/mL,toluene,1mL,