Trigonelline

2',3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

o-Quarterphenyl, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 641-96-3

Metformin-d6 Hydrochloride, 1mg