About TSUBOTANI S
About Takeda Chemical Industries Ltd., Osaka, JPN
About TANIDA S
About Takeda Chemical Industries Ltd., Osaka, JPN
About HARADA S
About Takeda Chemical Industries Ltd., Osaka, JPN
About Tetrahedron
About Streptomyces
About bridged compound
About Alkaloids
About Gevmetry of molecules in general
About Magnetic resonance of organic molecules
About NMRスペクトロスコピー