5,6-二氧-1,4,5,6-四氢吡嗪-2-羧酸, 5,6-Dioxo-1,4,5,6-tetrahydropyrazine-2-carboxylic acid

喹啉-7-硼酸, 7-Quinolinylboronic acid

2,4,6-三(全氟苯基)-1,3,5-三嗪, 2,4,6-Tris(perfluorophenyl)-1,3,5-triazine

炔诺孕酮标准溶液, Norgestrel Standard solution

3-(羟基甲基膦酰)丙酸标准溶液, 3-(Methylphosphinico)propionic acid Standard 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

21种酚类混标(HJ 703/711-2014 ), 21 components phenols mix solution,1,000 mg/L

6-羟基灭草松, 6-Hydroxybentazone,1000ppm

4-(2-溴乙基)苯甲酸, 4-(2-Bromoethyl)benzoic Acid

(R)-2,3,6,7-四氢-1H-吡嗪并[2,1-a]异喹啉-4(11bH)-酮(2R,3R)-2,3-双(苯甲酰氧基)琥珀酸酯, (R)-2,3,6,7-tetrahydro-1H-pyrazino[2,1-a]isoquinolin-4(11bH)