37714-55-9 4,7-Dimethoxy-2,3-dimethyl-6-(2-nitroethenyl)benzofuran Benzofuran, 4,7-dimethoxy-2,3-dimethyl-6-(2-nitroethenyl)- Dimethyl-2,3 dimethoxy-4,7 (nitro-2 vinyl)-6 benzofuranne [French] R 5213