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(2007/10/02)3-methyl-4-bromo-5-(N-(tert-butyloxycarbonyl)-N-(2-propyn-1-yl)amino)-7-(benzyloxy)benzofuran
4-Benzyloxy-1-methyl-8-methylene-7,8-dihydro-furo[3,2-e]indole-6-carboxylic acid tert-butyl ester
3-methyl-4-bromo-5-(N-(tert-butyloxycarbonyl)amino)-7-(benzyloxy)benzofuran
3-methyl-5-(N-(tert-butyloxycarbonyl)amino)-7-(benzyloxy)benzofuran
3-methyl-5-nitro-7-(benzyloxy)benzofuran