label: 7,7'-(1,2-ethanediylbis(4,1-piperidinediylmethylene))-bis(4,9-dimethoxy-5H-fur(3,2-g)(1)benzopyran-5-one)
label_lc: 7,7'-(1,2-ethanediylbis(4,1-piperidinediylmethylene))-bis(4,9-dimethoxy-5h-fur(3,2-g)(1)benzopyran-5-one)