CMP-N-acylneuraminate phosphodiesterase; CMP-sialate hydrolase; CMP-sialic acid hydrolase; CMP-N-acylneuraminic acid hydrolase; cytidine monophosphosialic hydrolase; cytidine monophosphosialate hydrolase; cytidine monophosphate-N-acetylneuraminic ac • • •