label: Piperidinium-3-((4-hydroxy-5-dimethyl-2-oxo-2H-chromen-3-yl)-phenylmethyl)-5,7-dimethyl-2-oxo-2H-chromen-4-olate
label_lc: piperidinium-3-((4-hydroxy-5-dimethyl-2-oxo-2h-chromen-3-yl)-phenylmethyl)-5,7-dimethyl-2-oxo-2h-chromen-4-olate