Synonyms: 1,4-Benzenedicarboxamide,2-amino-N,N'-bis[4-(1,4,5,6-tetrahydro-2-pyrimidinyl)phenyl]-, dihydrochloride(9CI); Terephthalanilide,2-amino-4',4''-bis(1,4,5,6-tetrahydro-2-pyrimidinyl)-, dihydrochloride(7CI,8CI);2-Amino-N,N'-bis[4-(3,4,5,6-tetrahydropyrimidin-2-yl)phenyl]terephthalamidedihydrochloride; HR 2257