BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20251021T000000Z DTEND:20251021T000000Z SUMMARY:ChemSpider Webinar 2: Data standards in chemistry starts on the 21st October 2025 15:00 LOCATION: END:VEVENT END:VCALENDAR