(R)-2-((((((9H-氟-9- 基)甲氧基)羰基)氨基)-5- 甲基己酸, (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-methylhe

2-溴-5-甲氧基嘧啶, 2-Bromo-5-methoxypyrimidine

2-溴-6-甲氧基异烟酸, 2-Bromo-6-methoxyisonicotinic acid

沙美特罗-D3标准溶液, Salmeterol-d3 Standard solution

邻苯二甲酸二壬酯标准溶液, Di-n-nonyl phthalate Standard solution

二苯酮-5标准溶液, 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid sodium salt

杆菌肽标准溶液, Bacitracin Standard solution

1，4-二氯苯-D4, 1,4-Dichlorobenzene-d4

《2341农药残留测定法》33种农药混标(GC-MS/MS)，不同浓度, Pesticide Mix 33

甲氧苄氨嘧啶, Trimethoprim,1000ppm