126088-82-2 Bgtcpo Boc-gln-trp(cho)-phe-obzl L-Phenylalanine, N-(N-(N2-((1,1-dimethylethoxy)carbonyl)-L-glutaminyl)-1-formyl-D-tryptophyl)-, phenylmethyl ester N(alpha)-(N(alpha)-(N(alpha)-(tert-Butyloxycarbonyl)glutaminyl)-N(1)-formyl-tryptophyl)phenylalanine benzyl ester N-(N-(N2-((1,1-Dimethylethoxy)carbonyl)-L-glutaminyl)-1-formyl-D-tryptophyl)-L-phenylalanine phenylmethyl ester