1H-Imidazo(1,2-b)pyrazole, 2,3-dihydro- 1H-Pyrazolo(2,3-a)imidazole, 2,3-dihydro- 2,3-Dihydro-1H-imidazo(1,2-b)pyrazole 6714-29-0 AI3-63108 BA 21381 BRN 0742753 EINECS 229-769-2 IMPY Imidazolepyrazole NSC 174124 NSC 51143 NSC 641280 Pyrazolo(2,3-a)imidazolidine