Pfizer Handbook of Microbial Metabolites 196 



Polyporus tumulosus (artificial medium) 

 B. J. Ralph and Alexander Robertson, J. Chem. Soc, 3380 

 (1950). 



392 Orsellinic Acid, C8H8O4, colorless crystals, m.p. ( Monohydrate ) 

 176°. 



?"^ COOH 



HO OH 



Penicillium griseofulvum, Chaetomium cochlioides 



L. Reio, /. Chromatography 1 338 (1958). 



Klaus Mosbach, Zeitschr. Naturforsch. 14b 69 (1959). 



393 Compound D, CoHgO,^, cream-colored prisms, m.p. 259° (dec). 



A meta diphenol with a carboxyl group para to a hy- 

 droxyl and an aldehyde group ortho to a hydroxyl. 



Paecilomyces victoriae V. Szilvinyi 



Ustic acid, dehydroustic acid and 4,6-dihydroxy-3-meth- 

 oxyphthalic acid were isolated from the same culture. 



V. C. Vora, J. Sci. Ind. Research (India) 13B 842 (1954). 



394 Flavipin, CgHgOg, pale yellow light-sensitive rods, m.p. 233° 



(dec). 



CHO 

 CHO 



Aspergillus flavipes (Bainier and Sartory) Thom and 

 Church, A. terreus Thom 



P. Rudman, "Metabolic Products of A. fiavipes, A. terreus 

 and Certain Other Molds," Doctoral Thesis, Univ. of London, 

 London, 1955. 



H. Raistrick and P. Rudman, Biochem. J. 63 395 (1956). 



395 4,6-Dihydroxy-3-methoxyphthalic Acid, CgHgO^, colorless prisms, 

 m.p. 193°. 



HO COOH 



OCH.^°°" 



