Robuta

https://pubchem.ncbi.nlm.nih.gov/compound/4_11-Triphenodioxazinedisulfonic-acid_-3_10-bis_2-aminopropyl_amino_-6_13-dichloro-_-reaction-produc 4,11-Triphenodioxazinedisulfonic acid, 3,10-bis((2-aminopropyl)amino)-6,13-dichloro-, reaction... 4,11-Triphenodioxazinedisulfonic acid, 3,10-bis((2-aminopropyl)amino)-6,13-dichloro-, reaction products with 2-amino-1,4-benzenedisulfonic acid,... https://pubchem.ncbi.nlm.nih.gov/compound/4_11-triphenodioxazinedisulfonic-acid_-3-amino-6_13-dichloro-10-_3-_4-_2_5-disulfophenyl_amino_-6-_2 4,11-triphenodioxazinedisulfonic acid,... 4,11-triphenodioxazinedisulfonic acid, 3-amino-6,13-dichloro-10-((3-((4-((2,5-disulfophenyl)amino)-6-fluoro-1,3,5-triazin-2-yl)amino)propyl)amino)-,... acid