SMILES: CCN(CC)C1=CC2=C(C=C1)NC3=C(O2)C(=O)C(=O)C=C3C(=O)[NH3+]
Description: The molecule is an organic cation that is 3,4-dihydroxyphenoxazin-5-ium carrying additional carbamoyl and diethylamino groups at positions 1 and 7 respectively. The chloride salt is the histological dye 'Celestin blue B'.