2283-80-9 Carbobenzoxy-L-tryptophyl-L-methionyl-L-aspartyl-L-phenylalanine amide Carbobenzoxy-trp-met-asp-phe-amide Gatratet L-Phenylalaninamide, N-((phenylmethoxy)carbonyl)-L-tryptophyl-L-methionyl-L-alpha-aspartyl-