
Keywords: ACN; acetonitrile; FA; formic acid; GlcNAc; N-acetylglucosamine acid; hCG; human Chorionic Gonadotropin; hCGα; alpha subunit of the human Chorionic Gonadotropin; hCGβ; beta subunit of the human Chorionic Gonadotropin; Neu5Ac; N-acetylneuraminic acid; mA