| 摘要 |
Compositions of matter are disclosed of compounds of the formula <IMAGE> and the pharmaceutically acceptable acid addition salts thereof wherein X represents a halo, lower alkyl, hydrogen, trifluoromethyl, phenyl, or lower alkoxy substituent; Y represents -CN, -CONH2, -CON(R1)2 or -CO2R1 where R1 is a lower alkyl; m is the integer 1 or 2 and n is an integer from 1 to 3 inclusive; R2 represents lower alkyl; R3 represents lower alkyl or acetyl, aroyl, phenacetyl or trifluoracetyl; A, B, and D are carbonyl or methylene such that when one of A, B, or D is carbonyl, the others are methylene and R3 is lower alkyl, whereas when R3 is acetyl, aroyl, phenacetyl or trifluoroacetyl, A, B, and D are methylene. These compounds have utility as antiarrhythmic agents.
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