Pfizer Handbook of Microbial Metabolites 



216 



S. Neelakantan, T. R. Seshadri and S. S. Subramanian, 

 Tetrahedron Letters No. 9, pp. 1-4 (1959). 



446 Evemic Acid, C17H16O7, colorless prisms, m.p. 169°. 



CH3 



CH3O 



COOH 



Evernia prunastri L., Ramalina pollinaria Wests., Us- 

 nea jesoensis Asahina 



Fukuziro Fuzikawa and Kumao Ishiguro, /. Pharm. Soc. 

 Japan 56 837 (in German, 149) (1936). (Synthesis) 



447 Norstictic Acid, CigHigOg, nearly colorless needles, m.p. 283° 

 (dec). 



COO 



CH3 



CHO O 



OH 



CO 

 CH— O 

 OH 



Lobaria pulmonaria Hoffm., Parmelia acetabulum 

 Duby., Usnea japonica, Wain., etc. 



Yasuhiko Asahina and Masaichi Yanagita, Ber. 67B 799 

 (1934). " 



448 Salazinic Acid (Saxatilic Acid), CigHioOio, colorless needles, 

 m.p. 260° (dec. from 240°). 



ru CH2OH 



^"^ COO I OH 



"° ino^o/ 



xo 



CH — O 



I 

 OH 



