摘要 |
<p>(A) Cpds. (I) where W is H, OH, F, Cl or Br; X and Y (same or different) are H, OH, F, Cl or alkoxy (1-3C); Z is H, OH or methoxy; R1 is H, methyl or ethyl; R2, R3, R4 and R6 (same or different) are H or methyl; R5 is H, methyl, phenyl or hydroxyphenyl. (B) Acid-addition salts of cpds. (I). (C) Cpds. (IV) and (V) Heart-rhythm stabilisers, hypotensive agents and local anaesthetics.</p> |