2-Furancarboxylic acid, 5-nitro-, ethyl ester (9CI) 2-Furoic acid, 5-nitro-, ethyl ester 5-18-06-00140 (Beilstein Handbook Reference) 943-37-3 AI3-16513 BRN 0181268 EINECS 213-400-7 Ethyl 5-nitro-2-furoate NSC 10047 NSC 38652