label: 5-(hydroxymethyl)-2-oxo-2'-phenyl-4,5-dihydrospiro(furan-3,3'-indole)-1'-(2'H)-carboxylic acid, methyl ester
label_lc: 5-(hydroxymethyl)-2-oxo-2'-phenyl-4,5-dihydrospiro(furan-3,3'-indole)-1'-(2'h)-carboxylic acid, methyl ester