Cresomycin

“What is most important is that it kills antibiotic-resistant strains in animals,” said Yury Polikanov, co-author of the research and an associate professor of biological sciences at the University of Illinois Chicago. “It’s more potent [than its predecessors] — and more potent against deadly bacteria.”

https://www.ft.com/content/033da392-66f3-439f-8170-30a7f2c287dc