英文别名4-Propoxy-3-nitrobenzoic acid; Proparacaine Impurity 6; Benzoic acid, 3-nitro-4-propoxy-; Proparacaine Impurity 9; Proparacaine hydrochloride Impurity Q; Diphenhydramine Impurity 15; Pramecaine impurity 5; 4-n-propoxy-3-nitrobenzoic acid; Benzoic acid,3-nitro-4-propoxy; 3-Nitro-4-propoxy-benzoesaeure; 3-nitro-4-propoxy-benzoic acid; 3-nitro-4-(propyloxy)benzoic acid 
