. . "0"^^ . . . . . . "the process of forming a ring by forming one or more hydrogen bonds"@en-us . . "13445831-n"^^ . . "chelation"@en-us . . "112685320"@en-us . . . . "chelation"^^ . . "113445831"^^ . . . . . . . . . "109681792"@en-us . . . "0"^^ . . . . . . . . . .