Synthesis, Degradation kinetics and In-vitro Antimicrobial Activity of Tetrahydro-2H-1,3,5- thiadiazine-2-thione Derivatives of Some b-Amino Acids. Research Authors Tarek Aboul-Fadl and Abdel-Raouf Khallil. Research Journal Arzneim-Forsch./Drug Res. Research Rank 1 Research Year 2002