thiadiazolidinone

== English == === Noun === thiadiazolidinone (countable and uncountable, plural thiadiazolidinones) (organic chemistry) The bicyclic heterocycle, 5,6,7,8-tetrahydro-[1,3,4]thiadiazolo[3,4-a]pyridazin-3-one that has antimicrobial activity