1H NMR analysis of R-75-1 substance.

  title={1H NMR analysis of R-75-1 substance.},
  author={Fu Xiao-Chang and Hiroshi Naganawa},
  journal={The Japanese journal of antibiotics},
  volume={34 6},
Compound R-75-1 is a very potent rifamycin derivative prepared from rifamycin SV at the Sichuan Institute of Antibiotics Industry, China in 1975. This compound showed a strong (see graphs in book) activity against Myobacterium tuberculosis and Gram-positive organisms. Here we describe the assignment of the 1H NMR spectrum of this novel compound. 

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