37714-53-7 4-Methoxy-2,3-dimethyl-7-(2-nitroethenyl)benzofuran Benzofuran, 4-methoxy-2,3-dimethyl-7-(2-nitroethenyl)- Dimethyl-2,3 methoxy-4 (nitro-2 vinyl)-7 benzofuranne [French] R 5212