英文别名Benzaldehyde, 2-hydroxy-5-[2-[[6-(4-phenylbutoxy)hexyl](phenylmethyl)amino]acetyl]-; 5-(N-benzyl-N-(6-(4-phenylbutoxy)hexyl)glycyl)-2-hydroxybenzaldehyde; Salmeterol Impurity 22; 2-hydroxy-5-[[[6-(4-phenylbutoxy)hexylbenzyl]amino]acetyl] benzaldehyde 
