methyl (2S)-4-hydroxy-5'-methoxy-6-methyl-3,3'-dioxospiro[1-benzofuran-2,6'-cyclohexa-1,4-diene]-1'-carboxylate methyl (2S)-4-hydroxy-5'-methoxy-6-methyl-3,3'-dioxo-spiro[benzofuran-2,6'-cyclohexa-1,4-diene]-1'-carboxylate (2S)-4-hydroxy-5'-methoxy-6-methyl-3,3'-dioxo-1'-spiro[benzofuran-2,6'-cyclohexa-1,4-diene]carboxylic acid methyl ester (2S)-4-hydroxy-3,3'-diketo-5'-methoxy-6-methyl-spiro[benzofuran-2,6'-cyclohexa-1,4-diene]-1'-carboxylic acid methyl ester methyl (2S)-4-hydroxy-5'-methoxy-6-methyl-3,3'-dioxo-spiro[1-benzofuran-2,6'-cyclohexa-1,4-diene]-1'-carboxylate (+)-Bisdechlorogeodin CHEBI:15390 methyl (2S)-4-hydroxy-6-methyl-4'-oxo-3H-spiro[1-benzofuran-2,1'-cyclohexa[2,5]diene]-2'-carboxylate