氟**醇标准品
4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidyl]-1-(4-fluorophenyl)-butan-1-one
倍他米松杂质
倍他米松杂质 倍他米松杂质A Betamethasone 17-Propionate CAS No. 5534-13-4 C25H33FO6 M.W. 448.54 倍他米松杂质B 21-Hemiacetal Betametha
扑热息痛杂质标准品
(3S,4R)-3-((1,3-benzodioxol-5-yloxy)methyl)-4-phenylpiperidine hydrochloride
甲氟喹杂质标准品
(R*,R*)-(2,8-bis(trifluoromethyl)quinolin-4-yl)(piperidin-2-yl)methanol hydrochloride