The molecule is an organic heterotetracyclic compound that is 5H-benzo[a]phenoxazin-5-one substituted at position 9 by a diethylamino group. It has a role as a fluorochrome and a histological dye. It is an organic heterotetracyclic compound, a cyclic ketone, an aromatic amine and a tertiary amino compound.
9-(diethylamino)benzo[a]phenoxazin-5-one