L-Glutamine, N-(triphenylmethyl)glycylglycyl-L-prolylglycyl-L-alanylglycyl-O-(1,1-dimethylethyl)-L-seryl-L-leucyl-L-glutaminyl-L-prolyl-L-leucyl-L-alanyl-L-leucyl-L-alpha-glutamylglycyl-O-(1,1-dimethylethyl)-L-s(2S-trans)-