Diphenyl Blue

72-57-1

Direct Blue 14

CC1=CC(C2=CC=C(/N=N/C3=C(S(=O)(O[Na])=O)C=C4C=C(S(=O)(O[Na])=O)C=C(N)C4=C3O)C(C)=C2)=CC=C1/N=N/C5=C(S(=O)(O[Na])=O)C=C6C=C(S(=O)(O[Na])=O)C=C(N)C6=C5O