2-methyl-3t-(5-nitro-[2]furyl)-acrylic acid-(4-bromo-anilide)
2-methyl-3t-(5-nitro-[2]furyl)-acrylic acid benzylamide
2-methyl-3t-(5-nitro-[2]furyl)-acrylic acid-(3-hydroxy-anilide)
2-methyl-3t-(5-nitro-[2]furyl)-acrylic acid anilide
2-methyl-3t-(5-nitro-[2]furyl)-acrylic acid p-anisidide