Benz[cd]indolium,6-bromo-2-[4-[4-[butyl[2-[(methoxycarbonyl)oxy]ethyl]amino]phenyl]-1,3-butadienyl]-1-ethyl-,(SP-4-1)-bis[4,5-dichloro-1,2-benzenedithiolato(2-)-S,S']nickelate(1-)OTHER CA INDEX NAMES:Nickelate(1-), bis[4,5-dichloro-1,2-benzenedithiolato(2-)-S,S']-,(SP-4-1)-,6-bromo-2-[4-[4-[butyl[2-[(methoxycarbonyl)oxy]ethyl]am