Nitraza groups; or Nitraza groups; or The entry is controlled by the schedule.

(21) Polynitrocubanes with more than four nitro groups;

(21) Polynitrocubanes with more than four nitro groups;

(21) Polynitrocubanes with more than four nitro groups;

Polynitrocubanes with more than four nitro groups;

Polynitrocubanes with more than four nitro groups;

(21) Polynitrocubanes with more than four nitro groups;

Polynitrocubanes with more than four nitro groups;

These deactivating and protective chemical groups may be nitro, halogen, cyano, carboxyl, sulfonic, alkyl or aromatic groups, but not amino, hydroxy, alkoxy or alkylamide groups.

Method for preparing bibenzyl systems with nitro groups as substituents.

More specifically, the invention relates to compounds having general formula A, wherein R1 and/or R2 are hydrogens, methyl groups, nitre groups and amino groups.

The benzyl group has, in a benzene ring, one or more nitro groups and an active ester group (4) which is reactive to amino groups or hydroxyl groups.

More specifically, the invention relates to compounds having general formula A, wherein R1 and/or R2 are hydrogens, methyl groups, nitre groups and amino groups.

Medicines that contain organic nitrates are often used to treat angina.

The invention relates to a hydrogenating catalyst and a method for producing the same, whereby the catalyst can be used for hydrogenating nitro groups in nitro-aromatic compounds to the corresponding amines in the presence of water.