137320-56-0 Formyl-methionyl-delta(Z)-dehydroleucyl-phenylalanine methyl ester Hco-met-delta(Z)-leu-phe-ome L-Phenylalanine, N-((Z)-2,3-didehydro-N-(N-formyl-L-methionyl)leucyl)-, methyl ester N-((Z)-2,3-Didehydro-N-(N-formyl-L-methionyl)leucyl)-L-phenylalanine methyl ester delta Z Leu(2)fmlp-ome