Synonyms: 1,5,7-Trimethyl-2,3-dihydroimidazo(1,2-a)pyrimidine perchlorate;1,5,7-trimethyl-2,3-dihydro-1h-imidazo[1,2-a]pyrimidin-4-ium perchlorate;1,5,7-trimethyl-2,3-dihydroimidazo[1,2-a]pyrimidin-4-ium perchlorate;2,3-Dihydro-1,5,7-trimethyl-1H-imidazo(1,2-a)pyrimidin-4-ium perchlorate;1H-Imidazo(1,2-a)pyrimidin-4-ium, 2,3-dihydro-1,5,7-trimethyl-, perchlorate;AC1L4YFI;AC1Q22GK;KST-1B3957;AR-1B7998;LS-80429;A824842