4H-1-Benzopyran-3-carbonitrile,2-amino-5,6,7,8-tetrahydro-7,7-dimethyl-4-(3-nitrophenyl)-5-oxo-

4H-1-Benzopyran-3-carbonitrile,2-amino-5,6,7,8-tetrahydro-7,7-dimethyl-4-(3-nitrophenyl)-5-oxo- · CAS 144036-36-2