Case C-499/18 P: Judgment of the Court (First Chamber) of 6 May 2021 — Bayer CropScience AG, Bayer AG v Association générale des producteurs de maïs et autres céréales cultivées de la sous-famille des panicoïdées (AGPM) and Others (Appeal — Regulation (EC) No 1107/2009 — Articles 4 and 21 — Criteria for approval — Review of approval — Plant protection products — Implementing Regulation (EU) No 485/2013 — Active substances clothianidin and imidacloprid — Seeds treated with plant protection products containing those active substances — Prohibition of non-professional use — Precautionary principle)