Triphenyl-d15-tin hydroxide,100 µg/mL,acetonitrile,1mL,

2,3-Butanedione, 1ml

2,3,4,5-Tetrabromobenzoic acid [13C6 ring], 1.2ml x 50ug/ml, methanol

3-Chloro-1,2-propanediol, 100 µg/ml, Methanol, 1