2,5-bis(bromoacetamido)-3,6-bis(methylcarbamyl)-1,4-dimethoxybenzene

3,6-dicyano-1,4-dimethoxy-2-nitrobenzene

2,5-Dimethoxy-1,4-benzoldicarbonitril

3,6-dicarbamyl-1,4-dimethoxy-2-nitrobenzene

1,4-dimethoxy-2-nitrobenzene-3,6-dicarboxylic acid