label: 4-O-(beta-D-apiofuranosyl)-6,7-dimethoxy-1-(3',4'-methylenedioxyphenyl)-3-hydroxymethylnaphthalene-2-carboxylic acid lactone
label_lc: 4-o-(beta-d-apiofuranosyl)-6,7-dimethoxy-1-(3',4'-methylenedioxyphenyl)-3-hydroxymethylnaphthalene-2-carboxylic acid lactone