抗敏安杂质标准品
(RS)-N,N-dimethyl-2-(1-phenyl-1-(pyridin-4-yl)ethoxy)ethanamine sesquisuccinate
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
吡喹酮标准品
(RS)-2-(Cyclohexylcarbonyl)- 1,2,3,6,7,11b-hexahydro-4H- pyrazino[2,1-a]isoquinolin-4-one