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            English name: Praziquantel
            Chemical name: 2- Cyclohexyl-carbonyl-1,3,4,6,7,11b-hexahydro-4H-pyrazine(2,1-a)isoquinoline-4-one
            Category involved: bulk pharmaceutical chemicals
            Structural type:
            CAS#: 55268-74-1
            Molecular formula: C19H24N2O2
            Molecular weight: 312.41
            Quality standard: Comply with the standards of USP
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