| 摘要 |
3,7-Diazabicyclo[3,3,1]nonane compounds having valuable heart rate-affecting pharmacological properties corresponding to the Formula I: <IMAGE> I wherein R1 is alkyl, cycloalkylalkyl or benzyl, R2 is lower alkyl, R3 is lower alkyl, or R2 and R3 together form an alkylene chain, and R4 represents a benzhydryl group, optionally substituted by halogen, lower alkoxy, lower alkyl, hydroxy or trifluoromethyl, or a cinnamyl group optionally substituted by halogen, lower alkyl, lower alkoxy, hydroxy, nitro or trifluoromethyl.
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