Drug – bio-affecting and body treating compositions – Nonspecific immunoeffector – per se ; or nonspecific... – Lipid or oil
Patent
1978-06-22
1980-02-19
Chan, Nicky
Drug, bio-affecting and body treating compositions
Nonspecific immunoeffector, per se ; or nonspecific...
Lipid or oil
2603452, A61K 3135, C07D31104
Patent
active
041894987
ABSTRACT:
2-Carboxymethyl-3-carboxy-chromones and esters of the formula ##STR1## in which R, R.sup.1 and R.sup.2 each independently is hydrogen, an optionally substituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl or aryl group, halogen, hydroxyl, cyano or an optionally substituted alkoxy, aryloxy, aralkoxy, alkoxy-carbonyl or dialkylamino group, or
REFERENCES:
Ellis et al., J. C. S. Perkin I, 1974 (22), 2570-2574.
Frohberger Paul-Ernst
Kabbe Hans-Joachim
Roessler Peter
Bayer Aktiengesellschaft
Chan Nicky
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