The invention relates to certain urea derivatives of the formula R.sub.1 CH.sub.2 S(CH.sub.2).sub.2 NHCONHR.sub.2 where R.sub.1 are certain furanyls, imidazoles and thiazolyls and R.sub.2 are certain imidazoles and thiazolyls. These compounds are H-2 histamine receptor inhibitors and therefore useful in the treatment of ulcers.
本发明涉及公式R.sub.1 CH.sub.2 S(CH.sub.2).sub.2 NHCONHR.sub.2的某些
尿素衍
生物,其中R.sub.1是某些
呋喃基,
咪唑基和
噻唑基,R.sub.2是某些
咪唑基和
噻唑基。这些化合物是H-2
组胺受体
抑制剂,因此在溃疡的治疗中有用。