Synonyms: 5,7-Dimethyl-1,3,4-thiadiazolo(3,4-a)pyrimidin-4-ium perclorate;1,3,4-Thiadiazolo(3,4-a)pyrimidin-4-ium, 5,7-dimethyl-, perclorate;AC1L4BV4;MolPort-000-705-539;AKOS003627180;LS-150344;T0504-0694;5,7-dimethyl-[1,3,4]thiadiazolo[3,2-a]pyrimidin-4-ium perchlorate;35892-59-2