XORTX Therapeutics Inc. (XRTXF: OTCQB) | OTCQB Certification Fri, Nov 06, 2020 09:39 - XORTX Therapeutics Inc. ( XRTXF : OTCQB) released their OTCQB Certification concerning OTCQB Certification. To read the complete report, please visit: http://www.otcmarkets.com/financialReportView...&id=262322 .