–––––––…HOOOOC9H8O4MW:180.2•“”synthesis48.9%Plant11.1%Partinalsynthesis9.5%Microbial6.4%Sera2.0%Animal9.1%Vaccines4.3%mineral9.1%…………––––PharmaceuticalChemistryR–– ROHO–zzz–RR––––––OOH*• OOH*–––––––NNNH2NSOH+123456123452-methyl2-Pyrimidinylmethyl4-mehtyl4-thiazolium2-hydroxyethyl2-4-amino4-ClHClNNNH2NSOH+12345612345.Cl.HCl2-methyl2-Pyrimidinylmethyl4-mehtyl4-thiazolium2-hydroxyethyl2-4-amino4-