label: methyl 8-(2-fuyl)-5-methyl-1,3-dioxo-3,3a,4,6,8,9,9a,9b-octahydrofuro(3,4-f)isoquinoline-7(1H)-carboxylate
label_lc: methyl 8-(2-fuyl)-5-methyl-1,3-dioxo-3,3a,4,6,8,9,9a,9b-octahydrofuro(3,4-f)isoquinoline-7(1h)-carboxylate