X-ray contrast media

Drug – bio-affecting and body treating compositions – Radionuclide or intended radionuclide containing; adjuvant... – Molecular bilayer structure

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Details

260518A, 26050117, 260471A, A61K 2902, C07C 6520, C07C 6522

Patent

active

040051889

ABSTRACT:
This invention relates to compounds of the formula: ##STR1## in which: R.sub.1 represents a hydrogen atom or a radical of the formula ##STR2## in which R.sub.4 and R.sub.5 represent, independently of each other, a hydrogen atom or a lower alkyl radical,

REFERENCES:
patent: 2680133 (1954-01-01), Wallingford
patent: 3541141 (1970-11-01), Bernstein et al.
patent: 3660469 (1972-05-01), Bernstein et al.
patent: 3853866 (1974-12-01), Obendorf et al.
Hickinbottom, Reactions of Organic Compounds, pp. 408-412, (1957).

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