Drug groups [BR:br08330] Anti-allergic agent DG01541 Cysteinyl leukotriene receptor antagonist D04074 Etalocib Target-based classification of drugs [BR:br08310] G Protein-coupled receptors Rhodopsin family Leukotriene LTB4R [HSA:1241 56413] [KO:K04296 K04297] D04074 Etalocib (USAN)