CMP-N-acetyl-beta-neuraminate + diphosphate => N-acetylneuraminate + CTP
cmp-n-acetyl-beta-neuraminate + diphosphate => n-acetylneuraminate + ctp
CMP-N-acetyl-beta-neuraminate + diphosphate => N-acetylneuraminate + CTP
cmp-n-acetyl-beta-neuraminate + diphosphate => n-acetylneuraminate + ctp