104665-69-2
4,6,7-trimethoxy-2,3-dihydro-benzofuran-5-carbaldehyde
→
106276-66-8
4,9-dimethoxy-7-oxo-2,3-dihydro-7H-furo[3,2-g]chromene-6-carboxylic acid
100059-23-2
4,6,7-trimethoxy-2,3-dihydro-benzofuran
6938-24-5
1H-Indole-7-carboxylic acid,2,3-dihydro-,methyl ester