(1950)
p. 1498
(1949)p. 665 - 667
(2007/10/03)p. 3625 - 3634
(2007/10/02)p. 1159 - 1162
(2007/10/02)(2008/06/13)
(2008/06/13)
4,9-Dihydroxy-7-methyl-5H-furo<3,2-g><1>benzopyran-5-one
methyl iodide
5-acetyl-4,7-dimethoxy-6-ethoxybenzofuran
4,7-dimethoxy-benzofuran-6-ol
4-hydroxy-7-methyl-9-nitro-furo[3,2-g]chromen-5-one