84573-39-7 Hgh (4-15) Human growth hormone (4-15) L-Leucine, N-(N-(N-(N2-(N-(N-(N-(N2-(N-(N-(1-L-isoleucyl-L-prolyl)-L-leucyl)-L-seryl)-L-arginyl)-L-leucyl)-L-phenylalanyl)-L-alpha-aspartyl)-L-asparaginyl)-L-alanyl)-L-methionyl)- Somatotropin (4-15)