Contents x 



e. COMPOUNDS RELATED TO THIOPHENE, IMIDAZOLE, 

 THIAZOLE AND ISOXAZOLE 418 



f. PYRROLES, PORPHYRINS AND RELATED 

 COMPOUNDS 434 



g. INDOLES 458 



h. ERGOT ALKALOIDS 465 



i. PYRIDINES 479 



j. QUINOLINES 492 



k. PYRAZINES, DIKETOPIPERAZINES 496 



I. PHENAZINES AND PHENOXAZONES 501 



m. PYRIMIDINES 508 



n. PURINES 524 



O. PTERIDINES AND FLAVINES 548 



19. Unclassified Metabolites 572 



Bibliography, Reviews and General References 615 

 Appendixes 



A. Chemical Compositions of the Tissues and Large 



Molecules of Bacteria and Fungi 623 



B. Bacterial and Fungal Carotenes 638 

 c. The Chemical Constituents of Mycobacteria 645 



Addendum 661 



Subject Index 715 



Empirical Formula Index 748 



Microorganism Index 758 



