妥曲珠利标准溶液, Toltrazuril Standard solution

化妆品中5种有机酸混标溶液, 5 Organic Acid Mix Solution

4-氟-2,6-二甲基苯甲酸, 4-Fluoro-2,6-dimethyl benzoic acid

3-溴苯硼酸频那醇酯, 2-(3-Bromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2,2-二氟乙酰胺, 2,2-Difluoroacetamide

栀子黄标准溶液, Gardenia Yellow Standard solution

莠去通标准溶液, Atratone Standard solution

叔丁基对羟基苯甲醚(含2-和3-异构体)(BHA)标准溶液, tert-Butyl-4-hydroxyanisole (mixture of 2- and 3-isomer) St

丙烯酰胺-13C3, Acrylamide-13C3,1000ppm

甲硝唑, Metronidazole,1000ppm