| 摘要 |
D.N. 65455 HETEROCYCLYL-PHENOXYALKYL-PIPERIDINYLPYRIDAZINES AS ANTIVIRAL AGENTS Compounds of formula Formula I wherein Het is R1 is a C1-C3 lower-alkyl; R2 and R3 can each independently be hydrogen or fluorine; R4 is methyl or trifluoromethyl; are useful as antiviral agents, particularly against picornaviruses.
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