5-(4-chlorophenyl)-3-[(5-nitro-6-oxo-1-cyclohexa-2,4-dienylidene)methylamino]-4-thieno[2,3-d]pyrimidinone
5-(4-chlorophenyl)-3-[(5-nitro-6-oxo-1-cyclohexa-2,4-dienylidene)methylamino]-4-thieno[2,3-d]pyrimidinone