2-Naphthalenesulfonic acid, 5-acetamido-1-amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-, monosodium salt 5-Acetamido-1-amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-2-naphthalenesulfonic acid monosodium salt 6370-63-4