Sigma-Aldrich
赛庚啶杂质C, Cyproheptadine impurity C
Diazoxide
二氮嗪
Dimethylbis(cyclopentadienyl)hafnium(IV)
二甲基双(环戊二烯)铪(IV)
DMT-rA(tac)-CPG
Ethyl acetoacetate-1,3-13C2
乙酰乙酸乙酯-1,3-13C2
氟哌噻吨 二盐酸盐, Flupentixol dihydrochloride
Gabapentin impurity B
加巴喷丁杂质B
异环磷酰胺杂质B, Ifosfamide impurity B
Irbesartan impurity A
1-[(1-Oxopentyl)amino]-N-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]cyclopentanecarboxamide
Lamotrigine impurity E
2,3-二氯苯甲酸
Loratadine for system suitability
氯雷他定
甲氨蝶呤杂质E, Methotrexate impurity E
N-Acetyltryptophan
N-乙酰-L-色氨酸
Neostigmine Methyl Sulfate
N,N,N-三甲基-2-[(二甲氨基)甲酰氧基]苯铵甲磺酸盐
奥芬那君杂质E, Orphenadrine impurity E