66053-67-6 Hcg-beta (123-145) Human chorionic gonadotropin, beta-subunit (123-145) L-Glutamine, L-alanyl-L-prolyl-L-prolyl-L-prolyl-L-seryl-L-leucyl-L-prolyl-L-seryl-L-prolyl-L-seryl-L-arginyl-L-leucyl-L-prolylglycyl-L-prolyl-L-seryl-L-alpha-aspartyl-L-threonyl-L-prolyl-L-isoleucyl-L-leucyl-L-prolyl- beta-Subunit hcg (123-145)