tert-Butyl (2-(2-chloro-4-(3-((2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)ureido)phenethoxy)ethyl)(methyl)carbamate

tert-Butyl (2-(2-chloro-4-(3-((2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)ureido)phenethoxy)ethyl)(methyl)carbamate