BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20260403T000000Z DTEND:20260403T000000Z SUMMARY:25th International Conference on Phosphorus Chemistry: Oral abstract deadline due before 3rd April 2026 LOCATION:University of Montpellier,Montpellier,France END:VEVENT END:VCALENDAR