125068-96-4 2H-(1)Benzopyrano(4,3-c)pyridazin-3(4H)-one, 4a,5-dihydro-8-amino- 8-Amino-4,4a-dihydro-5H(1)benzopyrano(4,3-c)pyridazin-3(2H)-one 8-Amino-4a,5-dihydro-2H(1)benzopyrano(4,3-c)pyranazin-3(4H)-one BRN 4257108