2 

 2 



X 

 U 



< 



iZ 



18 



16- 



14- 



12- 



< 

 < 



ot 



lAA 

 I 1 



IAN 



ro 



H^O 



m 



1— 

 •2 



-T- 



4 



8 



18- 



16- 



14- 



I2-I - 



< 

 < 



C4 



B 



IAN 

 I 1 



tn 



I AA 



H^ 



Rf 



Fig. 4. A. Zone R, 0.8 to 1.0 of 3 A rechromatogiaphed in isopropanol-ammonia. 

 B. Zone R, 0.8 to 1.0 of 3A rechromatogiaphed in water. lAA controls as in Fig- 

 ure 3. 



[33] 



