91856-43-8 Glycine, N-(N-(N2-(5-oxo-L-prolyl)-L-glutaminyl)-L-alpha-aspartyl)-, (3aS-(3aalpha,4beta,6aalpha))- gamma-(Pggag)amide gamma-(Pglu-glu-asp-gly)amide gamma-(Pyroglu-glu-asp-gly)amide gamma-(Pyroglutamyl-glutamyl-asparaginyl-glycine)amide