1,3,4-Oxadiazol-2(3H)-one, 5-(4-pyridinyl)-, mono(4-amino-2-hydroxybenzoate) 3547-60-2 4-Aminosalicylic acid, compd. with 2-(4-pyridyl)-delta(2)-1,3,4-oxadiazolin-5-one (1:1) 5-(4-Pyridyl)-1,3,4-oxadiazol-2-ol p-aminosalicylate Benzoic acid, 4-amino-2-hydroxy-, compd. with 5-(4-pyridinyl)-1,3,4-oxadiazol-2(3H)-one (1:1) Salicylic acid, 4-amino-, compd. with 2-(4-pyridyl)-delta2-1,3,4-oxadiazolin-5-one (1:1) Vadrine delta2-1,3,4-Oxadiazolin-5-one, 2-(4-pyridyl)-, compd. with 4-aminosalicylic acid