C07C243/00—Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
C07C243/24—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids
C07C243/38—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to carbon atoms of six-membered aromatic rings
C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
