5-二氟甲基吡嗪-2-甲酸, 5-(Difluoromethyl)pyrazine-2-carboxylic acid

炔诺孕酮标准溶液, Norgestrel Standard solution

6种β-受体激素混标溶液, 6 β-Adrenergic Receptor Mix Solution

氟虫腈砜, Fipronil-sulfone,1000ppm

四氯间二甲苯和氯茵酸二丁酯混标(HJ835-2017，HJ812-2017)，1,000 mg/L, DBC and TCMX Solution

N-乙酰氨苯砜, N-Acetyl dapsone,1000ppm

沙丁胺醇, Salbutamol; Albuterol,1000ppm

叔丁基对羟基苯甲醚(含2-和3-异构体), tert-Butyl-4-hydroxyanisole (mixture of 2- and 3-isomer),10

磺胺甲噻二唑, Sulfamethizole,1000ppm

5-甲基噁唑-2-羧酸乙酯, Ethyl 5-methyloxazole-2-carboxylate