label: 5-methoxy-3-(n-propyl-(4-((7-nitrobenzo-2-oxa-1,3-diazol-4-yl)amino)butyl))amino-3,4-dihydro-2H-1-benzopyran
label_lc: 5-methoxy-3-(n-propyl-(4-((7-nitrobenzo-2-oxa-1,3-diazol-4-yl)amino)butyl))amino-3,4-dihydro-2h-1-benzopyran