... -K Synonyms: Acesulfamum Kalicum; Acesulfame-K; Potassium Salt of 6-methyl-1,2,3-oxathiazin-4(3H)-one-2,2-dioxide ... ; 6-methyl-1,2,3-oxathiazin-4(3h)-one 2,2-dioxide ... potassium salt; Acesulfame k; 6-Methyl-1,2,3-Oxathiazin-4(3H)-One-2,2-Dioxide ... (3H)-one-2,2-dioxide; acesulfame k fcciv; potassium 6-methyl-1,2,3-oxathiazin-4-olate 2,2-dioxide CAS ...