definiens: means ( i ) the compound designated LB80380, which has the following structure : o, ~ I ' ) ) o II o 0 * Confidential Treatment Requested ( ii ) the compound designated L880331, which has the following structure : \ry OH N ~ / _ _ OH o P II o ( iii ) the compound designated L880317, which has the following structure, * OH \ry OH N ~/ _ _ OH o p II o ( iv ) all salts, esters, prodrugs, intermediates and metabolites of L880380, L880331 or L880317 ; * Confidential Treatment Requested ( v ) any analogs or formulations a s a human therapeutic for treatment of chronic HBY infection of LB80380, LB80331 or LB80317, whose manufacture, use, or sale would infringe ( in the absence of license rights granted under the License Agreement to [COMPANY] upon exercise of the Option ) a claim of an issued patent ( which has not been abandoned or declared invalid in a non - appealable order ) or pending application for a patent included in the LGLS Patent Rights ; provided, however, that LGLS shall retain all rights to such analogs or formulation s of LB80380, LB80331 or LB80317 for all uses other than as a human therapeutic for treating chronic HBY infection ; and ( vi ) all phosphorylated fonns, tautomeric forms and steriochemical fornls of either LB80380, LB80331 or LB80317