ethyl N-(2-acetyl-1-benzofuran-3-yl)-N-(cyanomethyl)carbamate

5-methyl-3,4-dihydro-2H-[1]benzofuro[3,2-e][1,4]diazepine

N-(2-acetyl-1-benzofuran-3-yl)-4-methylbenzenesulfonamide

2-acetyl-3-N,N-bis(p-toluenesulfonyl)aminobenzofuran