The molecule is a member of indoles, a member of guanidines and an imidazopyrazine. It has a role as a luciferin. It is a conjugate base of a Cypridina luciferin(1+). It derives from a hydride of an imidazo[1,2-a]pyrazine.
2-[3-[2-[(2S)-butan-2-yl]-3-hydroxy-6-(1H-indol-3-yl)imidazo[1,2-a]pyrazin-8-yl]propyl]guanidine