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Patent / Jan 01, 1976
Alkali metal polymetaphosphate complexes of doxycycline
Source:
US 3927094
Nine doxycycline-metaphosphate complexes (C22H24N2O8)n.bul.(NaPO3)m.bul.(HPO3)p (n = 3, 4, 5; m = 0, 1, 2; p = 4, 5, 6; m + p = .ltoreq.6) were prepd.
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