| 摘要 |
The invention concerns: novel insoluble derivatives of N-acetyl-tryptophane characterized by the following general formula: <IMAGE> (I) in which: M represents an atom of aluminium, of titanium or of bismuth of valency m, p and q are whole numbers, at least equal to 1, r is a whole number at least equal to 1 or 0, with mxq=p+r, n is 0 or a whole or fractional number their preparation and medicaments containing them.
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