definiens: shall mean, subject to Section 13.7, solely : ( a ) in the case of termination of one or more Option Compounds or Option Products, al l Optioned Compound(s ) associated with the relevant [COMPANY] Option [ * ] ; or ( b ) in the case of te rmination of the NP201 Program, all NP201 Compound(s ), as applicable, in each case of clauses ( a ) and ( b ), existing ( i.e., identified or generated ) as of the time of delivery of a notice of termination with respect thereto ( by [COMPANY] under Section 13.2.2, 13.2.4 or 13.2.5 or by NGM under Section 13.5 ) and/ or, in the case of the NP201 Program, notice of discontinuation ( pursuant to Section 3.5.3 ) hereund er ; provided, however, that in all cases Reversion Compounds shall exclude any [COMPANY] proprietary compo und that is not a Program Compound including any and all Small Molecule Collaboration Compounds ( )