122018-92-2 L-Glutamic acid, L-phenylalanyl-L-isoleucyl-L-alpha-aspartyl-L-prolyl-L-alpha-glutamyl-L-leucyl-L-glutaminyl-L-arginyl-L-seryl-L-typtophyl-L-alpha-glutamyl-L-alpha-glutamyl-L-lysyl-L-alpha-glutamylglycyl-L-alpha-glutamylglycyl-L-valyl-L-leucyl-L-methionyl-L-prolyl- Prepro-thyrotropin-releasing hormone (178-199) Prepro-trh (178-199) Preprothyrotropin-releasing hormone (178-199)