Evaluation of Some Anti-Inflammatory Pyrimidobenzimidazoles Synthesized via Novel Tin(II) Chloride-Hydrochloric Acid Assisted Water Addition and Reduction of 4,4,6-Trimethyl-1-(2-nitroaryl)-1,4-dihydropyrimidine-2(3H)- thiones - Sondhi, Sham M; Magan, Archana; Sahu, Rajesh; Mahesh, Vijendra K; Shukla, Rakesh; Patnaik, Gyanendra K (Synthesis, 1994)