Chemical Name: N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, hydroxide, inner salt, calcium salt (2:1);
Synonym: NULL
Smile: CC/[N+](CC)=C(C=C/1)\C=CC1=C(C2=C(S([O-])(=O)=O)C=C(S(O)(=O)=O)C(O)=C2)\C3=CC=C(N(CC)CC)C=C3