disodium 1-amino-4-[[3-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)methylamino]methyl]-4-methoxysulphonatophenyl]amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulphonate

2-Anthracenesulfonic acid, 1-amino-4-[[3-[[(5-chloro- 2,6-difluoro-4-pyrimidinyl)methylamino]methyl]-4 -methoxysulfophenyl]amino]-9,10-dihydro-9,10-diox o-, disodium salt