2-Ethyl-4-nitroquinoline-1-oxide 3741-14-8 4-20-00-03517 (Beilstein Handbook Reference) 4-Nitro-2-ethylquinoline-N-oxide BRN 0191483 Quinoline, 2-ethyl-4-nitro-, 1-oxide Quinoline, 2-ethyl-4-nitro-, N-oxide