$\ce{X}$ සංයෝගයේ IUPAC නම කුමක් ද?
2-hydroxy-2-methyl-5-oxo-3-hexynoicacid
2-hydroxy-2-methyl-5-oxo-3-hexynoic acid
2-hydroxy-5-keto-2-methyl-3-hexynoic acid
5-carboxy-5-hydroxy-3-hexyn-2-one
2-carboxy-5-oxo-3-hexyn-2-ol
