苯肾上腺素杂质标准品
(4R)-4,6-dihydroxy-N-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride
氟**醇标准品
4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidyl]-1-(4-fluorophenyl)-butan-1-one
甲氟喹杂质标准品
(R*,R*)-(2,8-bis(trifluoromethyl)quinolin-4-yl)(piperidin-2-yl)methanol 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