SMILES: C1=CC=C2C(=C1)C(=[NH2+])C=C3C2=NC4=C(O3)C=C(C=C4)N
Description: The molecule is a cationic heterotetracyclic fluorescent dye derived from benzo[a]phenoxazine. It has a role as a fluorochrome. It is an organic heterotetracyclic compound and an organic cation.