Ureido derivatives of poly-4-amino-2-carboxy-1-methyl compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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530331, 548530, 548532, C07D20734

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active

054202965

ABSTRACT:
The invention relates to ureido derivatives of substituted pyrroles of formula ##STR1## wherein each of m and n, being the same, is an integer of 1 to 3; W is oxygen of sulphur;
each of the B groups, which are the same, is

REFERENCES:
patent: 2785182 (1957-03-01), Walle
patent: 2785183 (1957-03-01), Waller
European Office Action in Corresponding European Application No. 91 902 204.6, Dated Jul. 4, 1994.
Chemical Abstracts, vol. 68, p. 2086 (1968), No. 21767z.
Chemical Abstracts, vol. 68, p. 8391 (1968), No. 87088k.

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