Praziquantel S Isomer is a medication commonly used for treating parasitic infections. However, the term "synonyms" is not applicable in this case as it refers specifically to the S isomer of Praziquantel. Synonyms typically denote different words that have similar meanings, but in this context, it does not imply any other names for this isomer. It should be noted that Praziquantel is composed of two isomers - S and R. Each isomer has specific characteristics and effects. Therefore, when discussing Praziquantel S Isomer, it is important to refer to its precise name rather than searching for synonyms.