Description: 560 organic compounds -- part of the class 532-570 series / 560 organic compounds -- part of the class 532-570 series/() organic compounds (class 532, subclass 1) (1) carboxylic acid esters (8) aromatic acid moiety (19) nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) (43) the nitrogen is bonded directly to a ring and is in same side chain as ester function (44) polycarboxylic acid
Hierarchy/Derived subclasses
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Patent Apps in 560/44
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