24350-74-1 BRN 2671500 Benzamide, N,N'-1,3-propanediylbis(2-hydroxy- N,N'-Bis(2-hydroxybenzoyl)-1,3-diaminopropane N,N'-Trimethylenedisalicylamide Propylene-bis-salicylamide Salicylamide, N,N'-trimethylenebis-