茶碱水溶液，20μg/ml, Theophylline solution

PCB77-d6和PCB156-d3 内标混标(HJ715 水质), Internal standard for HJ715

柠檬黄, Tartrazine,1000ppm

豪莫西布曲明, Homosibutramine,1000ppm

雌二醇; 17β-雌二醇, Estradiol; 17β-Estradiol,1000ppm

2-氧代环己烷-1-甲酸甲酯, Methyl 2-oxocyclohexane-1-carboxylate

5-溴-4-氯-1H-吲唑, 5-Bromo-4-chloro-1H-indazole

(2R,3S,5R)-5-(6-氯-9H-嘌呤-9-基)-2-(羟甲基)四氢呋喃-3-醇, (2R,3S,5R)-5-(6-Chloro-9H-purin-9-yl)-2-(hydroxymethyl)tetra

4-甲基-2-硝基苯甲酸, 4-Methyl-2-nitrobenzoic acid

4-碘-1H-吲唑, 4-Iodo-1H-indazole