Case T-71/10: Judgment of the General Court of 19 January 2012 — Xeda International and Pace International v Commission (Plant protection products — Active substance diphenylamine — Non-inclusion in Annex I to Directive 91/414/EEC — Withdrawal of authorisations of plant protection products containing that substance — Action for annulment — Locus standi — Admissibility — Proportionality — Article 6(1) of Directive 91/414 — Rights of the defence — Article 3(2) of Regulation (EC) No 1095/2007)