label: 4,4'-(3,7,12,16-tetramethyl-1,3,5,7,9,11,13,15,17,-octadecanonaen-1,18-diyl)bis(1-ethylpyridium) dibromide
label_lc: 4,4'-(3,7,12,16-tetramethyl-1,3,5,7,9,11,13,15,17,-octadecanonaen-1,18-diyl)bis(1-ethylpyridium) dibromide