29007-15-6 5-21-03-00298 (Beilstein Handbook Reference) 7-Nitro-8-quinolinol o-nitrobenzoate (ester) 8-Quinolinol, 7-nitro-, o-nitrobenzoate (ester) BRN 1553616 Benzoic acid, o-nitro-, 7-nitro-8-quinolyl ester