1. Acrivastine
2. Findlay, J. W. A.; Coker, G. G.; European Patent 85959, 1983; Chem. Abstr. 1984, 100, 6345.
3. Mills, J. U.S. Patent 2655509, 1953; Chem. Abstr., 1954, 48, 77749.
4. Triprolidine Hydrochloride
5. Adamson, D. W. U.S. Patent 2,712,020, 1955; Chem. Abstr., 1955, 49, 4026.