8-Oxo-6,8-dihydro-furo[3',4':3,4]benzo[1,2-d][1,3]dioxole-6-carbonyl chloride

N-(2-(benzo[d][1,3]dioxol-5-yl)ethyl)-8-oxo-6,8-dihydro-[1,3]dioxolo[4,5-e]isobenzofuran-6-carboxamide