1-BUTANAMINIUM, N,N'-((9-OXO-9H-FLUORENE-2,7-DIYL)BIS(CARBONYLOXY-3,1-PROPANEDIY 1-Butanaminium, N,N'-((9-oxo-9H-fluorene-2,7-diyl)bis(carbonyloxy-3,1-propanediyl))bis(N-butyl-N-methyl-, diiodide, hydrate 41549-91-1 Bis(3-dibutylaminopropyl)-9-oxofluorene-2,7-dicarboxylate dimethiodide hydrate