The molecule is an ommochrome that consists of a pyrido[3,2-a]phenoxazine ring system bearing hydroxy, carboxy, oxo and 3-amino-3-carboxypropanoyl substituents at positions 1, 3, 5 and 11 respectively. The parent of the class of xanthommatins. It is a conjugate acid of a xanthommatin(1-).
11-(3-amino-3-carboxypropanoyl)-1,5-dioxo-4H-pyrido[3,2-a]phenoxazine-3-carboxylic acid