label: 2,5-dihydro-9-hydroxy-10-methoxy-2,2,4-trimethyl-5-(1-methylcyclohexen-3-y1)-1H-(1)benzopyrano(3,4-f)quinoline
label_lc: 2,5-dihydro-9-hydroxy-10-methoxy-2,2,4-trimethyl-5-(1-methylcyclohexen-3-y1)-1h-(1)benzopyrano(3,4-f)quinoline