Pfizer Handbook of Microbial Metabolites 456 



929 Uroporphyrin III, C40H38O16N4. 



:— OH ^ 



CH2— C— OH 



CH2— CHo— C— OH / 



CH2— CH2— C— OH 



CH2— C— OH 



/ 



CH2 CHo— CHo— C— OH 



Rhodopseudomonas spheroides 



June Lascelles, Abstracts Gordon Research Conference, 

 Vitamins and Metabolism (1958). (Detection) 



H. Fischer and H.-J. Hofmann, Z. physiol. Chem. 246 15 

 (1937); H. Fischer and A. Miiller, ibid. 246 31 (1937). (Struc- 

 ture) 



930 Bacteriochlorophyll a, C55H740(;N4Mg, amorphous, slow decom- 

 position above 94°. 



0=C— CH3 cHs H 



C20H39— OOC CH2— CH 

 Phytyl H3COOC 



Rhodospirillum rubrum, R. fulvum, Rhodopseudomonas 

 spheroides, Thiocystis violacea, other Rhodovibrio spp. and 

 sulfur and chlorobacteria 



Hans Fischer and Robert Lambrecht, Z. physiol. Chem. 249 

 1 (1937). 



Hans Fischer, Robert Lambrecht and Hellmuth Mittenzwei, 

 ibid. 253 1 (1938). 



John W. Weigl, /. Am. Chem. Soc. 75 999 (1953). 



A. Seybold and G. Hirsch, Naturwissenschaften 41 258 

 (1954.) 



