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

磺胺甲噻二唑, Sulfamethizole,1000ppm

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

2-(氨基甲基)-3,4-二氢喹啉-1(2H)-甲酸叔丁酯盐酸盐, tert-Butyl 2-(aminomethyl)-3,4-dihydroquinoline-1(2H)-carbox

4-(3-溴苯基)丁酸, 4-(3-Bromophenyl)butanoic acid

四氢吡喃-4-羧酸甲酯, Methyl tetrahydro-2H-pyran-4-carboxylate