3,9-双邻甲基考迈斯托醇

3-hydroxy-6-oxo-6H-benzofuro[3,2-c]chromen-9-yl 4-methylbenzenesulfonate

2-(2,4-diacetoxyphenyl)-3-iodo-6-(tosyloxy)benzo[b]furan

carbon monoxide

Methyl 6-hydroxy-2-[2-hydroxy-4-(tosyloxy)phenyl]benzo[b]furan-3-carboxylate