CMP-N-acetyl-8-O-acetyl-beta-neuraminate => CMP-N-acetyl-9-O-acetyl-beta-neuraminate
cmp-n-acetyl-8-o-acetyl-beta-neuraminate => cmp-n-acetyl-9-o-acetyl-beta-neuraminate
CMP-N-acetyl-8-O-acetyl-beta-neuraminate => CMP-N-acetyl-9-O-acetyl-beta-neuraminate
cmp-n-acetyl-8-o-acetyl-beta-neuraminate => cmp-n-acetyl-9-o-acetyl-beta-neuraminate