(2Z,2'Z)-4,4'-((((5,10-dioxo-5,10-dihydrobenzo[g]isoquinoline-6,9-diyl)bis(azanediyl))bis(ethane-2,1-diyl))bis(azanediyl))bis(4-oxobut-2-enoic acid)
(2Z,2'Z)-4,4'-((((5,10-dioxo-5,10-dihydrobenzo[g]isoquinoline-6,9-diyl)bis(azanediyl))bis(ethane-2,1-diyl))bis(azanediyl))bis(4-oxobut-2-enoic acid)