BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20250531T000000Z DTEND:20250531T000000Z SUMMARY:20th European Symposium on Organic Reactivity (ESOR2025): Early bird registration deadline due before 31st May 2025 LOCATION:Centro Culturale 鈥楽an Gaetano鈥�,Padova,Italy END:VEVENT END:VCALENDAR