tripotassium 7-[[4-[[4-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]phenyl]azo]phenyl]azo]naphthalene-1,3,5-trisulphonate

7-[[4-[[4-[(5-Chloro-2,6-difluoro-4-pyrimidinyl)amino]phenyl]azo]phenyl]azo]-1,3,5-naphthalenetrisulfonic acid tripotassium salt

1,3,5-Naphthalenetrisulfonic acid,7-[[4-[[4-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino] phenyl]azo]phenyl]azo]-,tripotassium salt

1,3,5-Naphthalenetrisulfonic acid, 7-[[4-[[4-[(5-chloro-2,6-difluoro-4-pyrimidinyl) amino] phenyl]azo]phenyl]azo]-, tripotassium salt