Theobromine-d3 (1-methyl-d3),100 µg/mL,MeOH,1mL

2,2',3,3',4,4',5,6,6'-Nonabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Butyric acid, 250μg/ml in Water, 1ml

2,2',3,4,4'-Pentabromodiphenyl ether,50µg/ml IO,1m