( -)-N-(3-(2-Hydroxy-2-(2-thienyl)ethyl)-4-thiazolin-2-ylidene)acetamide (RS)-N-(3-(2-Hydroxy-2-(2-thienyl)ethyl)-2,3-dihydrothiazol-2-yliden)acetamid 25422-75-7 Antazonita Antazonite Antazonite [INN] Antazonitum R 6438 Thiazothienol