154186-97-7 2H-1-Benzopyran-6-carbonitrile, 3,4-dihydro-4-((4-((2-chlorophenyl)methyl)-5-oxo-3,4-diazabicyclo(4.1.0)hept-2-en-2-yl)oxy)-2,2-dimethyl-3-hydroxy-