SEARCH Articles Figures Tables 4- , ester-linked Benzyl ester type link Bond, Link ester Collagen ester links Dicyclohexylcarbodiimide , ester-linked Ester cross-links, breaking Ester links Ester-Linked Ferrocene Ester-and amide-linked Ester-linked acyl groups Linking groups ester Polymers ester-linked conjugates Protein ester links Vinyl ester cross-linking with