(R,R)-半乳糖苷產品是(R,R)-Hymeglusin is a specific and irreversible inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) synthase?in vitro?and?in vivo?by covalently modifying the active Cys129 residue of the enzyme.?It is a fungal beta-lactone that inhibits mevalonate biosynthesis and is a good target for statins. It displays antimicrobial and anti-fungal activity.