MC-OM 



HC-OM 



I 



COOH 



COOM 



llANlll _^ 



t 



not 



t 

 (111 



t 



f 



COOM 

 I 



e-o 

 I 



CM, 



I ' Mo^ ^eooM 



MOC-M 

 MCOM 



eMjO»Oj><2 



MO COOM COO" COOH 



O^Nj^^OM 0^*V^^^S)H MO--Ky''>3M 



OH OH i- 



OH 



ill/*" 



f 



^GLN 



^a)— 



tOOM COOH COOM 



^^ CH, -__<7, ^n] CHj „ -<^ €^ 



>r^^-<=-cooH H,OjW^Y'^o'«»eooH H^j»o-'^v-^OH 

 6" OH 6m 



Sd^ 



o 



CHj-e-cooH 



CM, -cm -COOH 



lui 



/ 



/ 



(191 



-1201 '*'•'' » ll'"0 



/ 



NOOC. CMj-C-COOM 



I JH) 1,4 



/ 



(1S1 



f 



HOOe,„^CHj.CM -COOH 



_-^ M) 



Om\ Om\ 



\ > 



\NAO*/NAOP* 

 1171 



\ 



\NAO*/NAOP* 

 I16I 

 \ 



cm,-c-coom 



NH. 

 y CMj-CN-COOH 



-(18)_!tL—HTY,;i 



