BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20210521T000000Z DTEND:20210521T000000Z SUMMARY:XLV "A. Corbella" International Summer School on Organic Synthesis - ISOS 2021: Oral abstract deadline due before 21st May 2021 LOCATION:Online,Italy END:VEVENT END:VCALENDAR