BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20220207T000000Z DTEND:20220207T000000Z SUMMARY:4th Oldenburg Symposium on Chemical Bond Activation: Oral abstract deadline due before 7th February 2022 LOCATION: END:VEVENT END:VCALENDAR