1-(2-Nitronaphtho(2,1-b)furan-7-yl)ethanone 101688-07-7 2-Nitro-8-acetylnaphtho(2,1-b)furan BRN 5062406 ETHANONE, 1-(2-NITRONAPHTHO(2,1-b)FURAN-7-YL)- Ketone, methyl 2-nitronaphtho(2,1-b)furan-7-yl R 7542