2-diazo-1-(4,5,6,7-tetrahydro-4-methylisobenzofuran-4-yl)ethan-1-one

4,5,6,7-tetrahydro-N,N-dimethylisobenzofuran-4-carboxamide

4,5,6,7-tetrahydro-N,N-dimethyl-6-oxoisobenzofuran-4-carboxamide ethylene dithioketal