Antimicrobial-focused Tennor Therapeutics Ltd. will debut in Hong Kong May 22, having priced a HK$626.84 million (US$80 million) IPO. The Suzhou, China-based biotech is waiting on China’s National Medical Products Administration approval of lead asset rifasutenizol (TNP-2198), which has potential to become the first targeted combination regimen to treat H. pylori infection.