definiens: shall mean glucagon or any glucagon analog, including any isomer, hydrates, anhydrides, solvates, esters, salt forms, free acids or bases, prodrugs, complexes orpolymorphs . shall mean, with respect to a party, all information ( and alltangible and intangible embodiments thereof ), that is owned or controlled by such party, isdisclosed by or on behalf of such party to the other party pursuant to this Agreement, and ( ifdisclosed in writing or other tangible medium ) is marked or identified as confidential at the time ofdisclosure to the receiving party or ( if otherwise disclosed ) is identified as confidential at the timeof disclosure to the receiving party and described as such in writing within [ * * ] days after27Confidentialsuch disclosure . Notwithstanding the foregoing, Confidential Information of a party shall notinclude information which, and only to the extent, the receiving party can establish by writtendocumentation ( a ) has been generally known prior to disclosure of such information by thedisclosing party to the receiving party ; ( b ) has become generally known, without the fault of thereceiving party, subsequent to disclosure of such information by the disclosing party to thereceiving party ; ( c ) has been received by the receiving party at any time from a source, other thanthe disclosing party, rightfully having possession of and the right to disclose such information freeof confidentiality obligations ; ( d ) has been otherwise known by the receiving party free ofconfidentiality obligations prior to disclosure of such information by the disclosing party to thereceiving party ; or ( e ) has been independently developed by employees or others on behalf ofthe receiving party without use of such information disclosed by the disclosing party to thereceiving party ( each, a )