苯肾上腺素杂质标准品
(4R)-4,6-dihydroxy-N-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride
来曲唑杂质
来曲唑杂质A Letrozole EP Impurity A 112809-52-6 来曲唑杂质B Letrozole EP Impurity B 113402-31-6 来曲唑杂质C Letrozole Impurity
阿托伐他汀钙标准品
Calcium bis((3R,5R)-7-[3-(anilinocarbonyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate) trihydrate
溴己新杂质标准品
6,8-dibromo-3-cyclohexyl-3-methyl-1,2,3,4-tetrahydroquinazolin-3-ium chloride
右雷佐生杂质
右雷佐生杂质1 Dexrazoxane Impurity 1 右雷佐生杂质2 Dexrazoxane Impurity 2 右雷佐生杂质3 Dexrazoxane Impurity 3 右雷佐生杂质4 Dexrazoxan