1 DQK (2~{S})-4-[[(5~{S})-5-azanyl-6-oxidanylidene-hexyl]amino]-2-naphthalen-2-ylsulfanyl-4-oxidanylidene-butanoic acid 1.000 2 EYZ (2~{S})-2-azanyl-6-[[(3~{R})-4-oxidanyl-4-oxidanylidene-3-phenylsulfanyl-butanoyl]amino]hexanoic acid 0.821