label: bis(3-(1,2,3,4-tetrahydro-6,7-dimethoxy-N-methyl-1-(3,4,5-trimethoxybenzyl)isoquinolinium)propyl)1,3-phenylenedipropionic acid
label_lc: bis(3-(1,2,3,4-tetrahydro-6,7-dimethoxy-n-methyl-1-(3,4,5-trimethoxybenzyl)isoquinolinium)propyl)1,3-phenylenedipropionic acid