L-methionyl-L-methionyl-L-methionyl-L-methionine

(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoic acid

4-azidobenzoyltrimethionine

met-leu-phe acetate salt

H-Met-Trp-OH

Gly-L-Ser-L-Tyr-L-Arg-L-Met-L-Met-L-Arg-L-Leu-NH2

(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoyl]amino]-4-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]propanoyl]amino]-3-methylpentanoic acid