Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53

293311 293319 293321 293329 293331 293332 293333 293334 293335 293336 293337 293339 293341 293349 293352 293353 293354 293355 293359 293361 293369 293371 293372 293379 293391 293392 293399