| 摘要 |
THE INVENTION RELATES TO A COMPOUND OF FORMULA I, WHEREIN R IS AN ALKYL UNSUBSTITUTED OR SUBSTITUTED BY ONE OR MORE POLAR SUBSTITUENTS OR AN ALKENYL UNSUBSTITUTED OR SUBSTITUTED BY ONE OR MORE POLAR SUBSTITUENTS, AND X IS ARYL, OR SALTS THEREOF.THE COMPOUNDS ARE EFFECTIVE E.G. AGAINST PROTOZOA AND TREMATODES.
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