Anti-rheumatic pharmaceutical compounds of formula
and salts thereof, where
is a substituted or unsubstituted imidazole, thiazole, oxazole or (2,3-dihydro)imidazo [2,1-b] thiazole ring.
Anti-rheumatic pharmaceutical compounds of formula
and salts thereof, where
is a substituted or unsubstituted (2,3-dihydro)imidazo [2,1-b] thiazole ring.