| 6-(dimethylaminomethyl)-5-hydroxy-2-methyl-3-benzofurancarboxylic aci ethyl |
| 2-methyl-3-carbethoxy-5-hydroxy-6-dimethylaminomethylbenzofuran |
| 6-(dimethylaminomethyl)-5-hydroxy-2-methyl-3-benzofurancarboxylic acid ethyl |
| 6-(dimethylaminomethyl)-5-hydroxy-2-methyl-3-benzofurancarboxylic aci ethyl ester |
