. "0"^^ . "0"^^ . . . . "carboxyl"^^ . . . "02679653-a"^^ . "relating to or containing the carboxyl group or carboxyl radical"@en-us . "carboxylic"@en-us . "302575315"@en-us . "carboxyl"@en-us . . . "302679653"@en-us . "302679653"^^ .