B 4146
D-Arg-L-Pro-L-t4Hyp-Gly-3-(2-Thienyl)-L-Ala-L-Ser-D-Phe-3-(2-thienyl)-L-Ala-L-Arg-OH
[2-[[(2S,4R)-4-hydroxypyrrolidine-2-carbonyl]amino]acetyl] (2R)-2-[(2S)-1-[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]-2-[[(2S)-2-amino-3,3-dithiophen-2-yl-propanoyl]-[(2R)-2-[[(2S)-2-[[(2S)-2-aminopropanoyl]amino]-3-hydroxy-propanoyl]amino]-3-phenyl-propanoyl]amino]-5-(diaminomethylideneamino)pentanoate
