L-Histidinamide, N2-((2,3,4,9-tetrahydro-1H-pyrido(3,4-b)indol-3-yl)carbonyl)-L-glutaminyl-L-tryptophyl-L-alanyl-L-valylglycyl-N-(1-(((1-(aminocarbonyl)-3-methylbutyl)amino)methyl)-3-methylbutyl)-, (1(S),6(S-(R*,R*)))-