label: bis(4-pyridylmethyl)-4-(2-(3-methyl-5,6-dihydro-1,4-dithiinyl))-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
label_lc: bis(4-pyridylmethyl)-4-(2-(3-methyl-5,6-dihydro-1,4-dithiinyl))-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate