BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20260719T000000Z DTEND:20260724T000000Z SUMMARY:30th Congress of the International Society of Heterocyclic Chemistry starts on the 19th July 2026 17:00 LOCATION:USP São Carlos,São Carlos,Brazil END:VEVENT END:VCALENDAR