英文同义词: | 4-Vinyl-2,3-dihydrobenzofuran;4-ethenyl-2,3-dihydro-1-benzofuran;4-Vinyl-2,3-dihydrobenzofuran(VBF);4-ethenyl-2,3-dihydrobenzofuran;Benzofuran, 4-ethenyl-2,3-dihydro-;Imtermediate tasimelteon(4-ethenyl-2,3-dihydrobenzofuran);4-Vinyl-2,4-dihydrobenzofuran |