3-氧代-3,4-二氢吡啶并[2,3-b]吡嗪-2-羧酸乙酯, Ethyl 3-oxo-3,4-dihydropyrido[2,3-b]pyrazine-2-carboxylate

4-氨基-1-甲基-1H-吡唑-3-甲腈, 4-Amino-1-methyl-1h-pyrazole-3-carbonitrile

苯并[k]四苯, Benzo[k]tetraphene

碱性橙22标准溶液, Astrazon Orange R Standard solution

氢化可的松标准溶液, Hydrocortisone standard solution

茶碱水溶液，250μg/ml, Theophylline solution

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