Specification :

2-AMINO-3-CYANO-4-CHLORO-5-FORMYLTHIOPHENE;2-AMINO-3-CYANO-4-CHLORO-THIOPHEN E-5-CARBOXALDEHYDE;2-AMINO-4-CHLORO-3-CYANO-5-FORMYLTHIOPHENE;2-AMINO-4-CHLO RO-5-FORMYL-3-THIOPHENECARBONITRILE;2-Amino-3-cyano-4-chloro-5-formylthiophe ne