1-(2-Hydroxy-3-propyl-4-(4-(1H-tetrazol-5-yl)butoxy)phenyl)ethanone 2'-Hydroxy-3'-propyl-4'-(4-(1H-tetrazol-5-yl)butoxy)acetophenone 88107-10-2 Acetophenone, 2'-hydroxy-3'-propyl-4-(4-(1H-tetrazol-5-yl)butoxy)- BRN 4238438 ETHANONE, 1-(2-HYDROXY-3-PROPYL-4-(4-(1H-TETRAZOL-5-YL)BUTOXY)PHENYL)- LY 171883 LY171883 Ly-171883 Tomelukast Tomelukast [USAN:INN] Tomelukastum [INN-Latin]