4-(Hydroxyamino)quinoline 1-oxide 4-HYDROXYAMINOQUINOLINE-1-OXIDE 4-Haqo 4-Hydroxyaminoquinoline N-oxide 4-Quinolinamine, N-hydroxy-, 1-oxide 4637-56-3 4HAQO 5-22-14-00474 (Beilstein Handbook Reference) BRN 0154476 CCRIS 1068 Hydroxylamine, N-(4-quinolyl)-, 1'-oxide NSC 177384 Quinoline, 4-(hydroxyamino)-, 1-oxide