37714-56-0 4,6-Dimethoxy-2,3-dimethyl-7-(2-nitroethenyl)benzofuran Benzofuran, 4,6-dimethoxy-2,3-dimethyl-7-(2-nitroethenyl)- Dimethyl-2,3 dimethoxy-4,6 (nitro-2 vinyl)-7 benzofuranne [French] R 5134