definiens: ] means [ that Purchaser, when using the commercially available set of control compounds described on Exhibit C for the Non - Orphan Cell Lines in the Transfluor Assay, is able to generate a dose - response curve in which ( i ) the rank order of the compounds by efficacy is the same as, and ( ii ) the ICso or ECso of each compound is within a half - log range, of a validated dose - response curve ( 1 ) presented in one or more Promotional Materials or scientific publications for the same set of compounds in the Transfluor Assay using a Transfluor - Enabled Cell Line incorporating the same GPCR and GFP or ( 2 ) generated by Seller, as documented by its data and written records, for the same set of compounds in the Transfluor Assay using the relevant Non - Orphan Cell Lines, provided that such data are of substantially the same quality as the data in the Promotional Materials ]