a) Definition of a substance by its structural formula or other parameters b) Selection of starting substances from different lists c) Selection on the basis of a general formula Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_i_c_6_2_1.htmDate retrieved: 17 May 20215 references found. Click X to load a reference inside the current page, click on the title to open in a new page.Case Law Book: I PatentabilityXCLR I C NoveltyLoading...XCLR I C 6.2 Novelty of chemical compounds and groups of compoundsLoading...XCLR I C 6.2.1.A Definition of a substance by its structural formula or other parametersLoading...XCLR I C 6.2.1.B Selection of starting substances from different listsLoading...XCLR I C 6.2.1.C Selection on the basis of a general formulaLoading...