37714-51-5 5-Methoxy-2,3-dimethyl-6-(2-nitroethenyl)benzofuran Benzofuran, 5-methoxy-2,3-dimethyl-6-(2-nitroethenyl)- Dimethyl-2,3 methoxy-5 (nitro-2 vinyl)-6 benzofuranne [French] R 5193