2-Imino-4-oxo-1,3-thiazolidine hydrochloride 2-Imino-4-thiazolidinone hydrochloride 2192-06-5 4(5H)-Thiazolone, 2-amino-, monohydrochloride 4-Thiazolidinone, 2-imino-, monohydrochloride NSC55654 Pseudothiohydantoin hydrochloride