英文别名Salmeterol Impurity 8; Salmeterol EP Impurity G; Salmeterol N-Alkyl Impurity; Salmeterol Dimer Impurity; 1-[4-Hydroxy-3-[[[2-hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl][6-(4-phenylbutoxy)hexyl]amino]methyl]phenyl]-2-[[6-(4-phenylbutoxy)hexyl]amino]ethanol; Salmeterol Xinafoate BP Impurity G