Contains The Structure (c)-p(=x) (x) (n-*acyl), (c)-p(=x) (x) (n-*z) Or (c)-p(=x) (x) (n-*cyano) Where Z Is An Atom Other Than C Or H And * Indicates A Direct Bond To The Adjacent N Atom (9/44c9; 9/44c9+q; 9/449+u) Patents (Class 987/141)