Text this: Synthesis and physical-chemical properties of 2-(5-(1Н-tetrazol-1-ylmethyl)-4-R-4Н-1,2,4-triazol-3-yltio)-acetic (propanoic), 2-, 4-(5-(1Н-tetrazol-1- ylmethyl)-4-phenyl-4Н-1,2,4-triazol-3- yltiometil)-benzoic acids and their salts