Synonyms: | cis-Hydroxy Praziquantel;1,2,3,6,7,11b-Hexahydro-2-[(cis-4-hydroxycyclohexyl)carbonyl]-4H-pyrazino[2,1-a]isoquinolin-4-one;cis-(+/-)-1,2,3,6,7,11b-Hexahydro-2-[(4-hydroxycyclohexyl)carbonyl]- 4H-pyrazino[2,1-a]isoquinolin-4-one;Praziquantel cis-Hydroxy Impurity;4H-Pyrazino[2,1-a]isoquinolin-4-one, 1,2,3,6,7,11b-hexahydro-2-[(cis-4-hydroxycyclohexyl)carbonyl]- |