The molecule is a member of pyrazines, a member of guanidines and a Cypridina luciferin. It has a role as a member of oxidized luciferins. It is a conjugate base of an oxidized Cypridina luciferin(1+).
(2S)-N-[3-[3-(diaminomethylideneamino)propyl]-5-(1H-indol-3-yl)pyrazin-2-yl]-2-methylbutanamide