SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)[N+](=O)[O-])O)Br)Br)O)[N+](=O)[O-]
Description: The molecule is a C-nitro compound which consists of a fluorescein skeleton substituted by bromo groups at positions 4 and 5 and nitro groups at positions 2 and 7. It is an organobromine compound, a C-nitro compound, an oxaspiro compound, a member of 2-benzofurans, a member of xanthenes and a lactone. It derives from a fluorescein. It is a conjugate acid of an eosin b(2-).