I. RESEARCH. 



485 



6. Ethylic ethomethoxalate 



7. Baric ethomethoxalate 



8. Diethoxalic acid 



9. Argentic diethoxalate 



10. Methylic diethoxalate 



11. Ethylic diethoxalate 



12. Amylic diethoxalate 



13. Baric, diethoxalate 



14. Cupric diethoxalate 



1 5. Zincic diethoxalate 



16. Ethylic zincmonethyl diethoxalate 



17. Amylhydroxalic acid C 7 H 14 O 3 



18. Ethylic amylhydroxalate C 9 Hi 8 O 3 



nun f CEtMeHo 



C 7 H 14 3 > r {cOEto ' 



f CEtMeHo 

 f*r\ 



CjoH 18 BaO 6 or ?_.-.Bao // . 

 \ CEtMeHo 



PTT O ^r/ CEt 2 H 



C 6 H 12 3 r{ c oHo . 



C 6 H n Ag0 3 or{^0 } : 



r TT n .r / CEt 2 Ho 



C 7 H 14 3 or| CQ ^ eo . 



PTT f) ^/CEt 2 Ho 



C 9 H 16 3 or {cOEto ' 



\CEtoHo 

 CEtHo 



fCEt^Ho 

 J^Zno". 

 \ CEt^Ho 



fCEt 2 (OZnEt) 

 lCOEto 



fCAHHo 



COHo ' 



CAyHHo 



COEto 



f CAyHHo 



f 



Dr l 



19. Calcic amylhydroxalate 



20. Baric amylhydroxalate 



21. Cupric amylhydroxalate 



22. Amylethoxalic acid 



C 14 H 26 Ca0 6 



C 14 H 26 BaO 6 



C 14 H 26 CuO 6 



CAyHHo 



f 



\ CAyHHo 

 CAyHHo 



\ CAyHHo 

 CAEtHo 



C 9 H 1S 3 or{^^ E o 



