High resolution SNFG image
Fo(1-4)aDRhap4N(1-2)[Fo(1-4)]aDRhap4N(1-3)[Fo(1-4),Subst3(1-2)Subst2(1-2)Subst1(1-1)]aDRhap4N // Subst1 = 6-hydroxyhexanoic acid = SMILES O={2}C(O)CCCC{1}CO; Subst2 = ethyldiamine = SMILES {2}NCC{1}N; Subst3 = dioxocyclobutylaminomethanol = SMILES NC1C(=O)C(=O){1}C1O