137132-70-8 8,11-Dihydroxy-4-(2-hydroxyethyl)-6-((2-((2-hydroxyethyl)amino)ethyl)amino)-1,2,3,4,7,12-hexahydronaphtho(2,3-f)quinoxaline-7,12-dione Dhhnqd Naphtho(2,3-f)quinoxaline-7,12-dione, 8,11-dihydroxy-1,2,3,4-tetrahydro-4-(2-hydroxyethyl)-6-((2-((2-hydroxyethyl)amino)ethyl)amino)-