Synonyms: (2s,2's)-n,n'-[(2s,3r,4r,5s)-3,4-dihydroxy-1,6-diphenylhexane-2,5-diyl]bis{3-methyl-2-[(pyridin-2-ylacetyl)amino]butanamide}(non-preferred name);134805-81-5;13509-41-6;L-Iditol, 1,2,5,6-tetradeoxy-2,5-bis((3-methyl-1-oxo-2-((2-pyridinylacetyl)amino)butyl)amino)-1,6-diphenyl-, (2(S),5(S))-;L-Iditol, 1,2,5,6-tetradeoxy-2,5-bis[[3-methyl-1-oxo-2-[(2-pyridinylacetyl)amino]butyl]amino]-1,6-diphenyl-, [2(S),5(S)]-;AC1LAENO;AC1Q5H2C;KST-1A1162;AR-1A3375;Bis(2-PyAc-Val-Phe-psi-(CHOH));Bis(2-PyAc-Val-Phe-.psi.-[CHOH]);(2S)-N-[(2S,3R,4R,5S)-3,4-dihydroxy-5-[[(2S)-3-methyl-2-[(2-pyridin-2-ylacetyl)amino]butanoyl]amino]-1,6-diphenylhexan-2-yl]-3-methyl-2-[(2-pyridin-2-ylacetyl)amino]butanamide