N'-substituted derivatives of 4'-(N-piperazinylmethyl)spiro dibe

N,15-Didehydro-15-deoxo-pyrimidino-(4,5-b)rifamycin S

N,N'-bis(2,3-epoxypropyl) derivatives of cyclic dicarboxylic aci

N,N'-bis-1,3,5-triazin-6-ylpiperazines, and processes for their

N,N'-Disubstituted hexahydropyrimidines

N,N-Dialkylureidomethane diphosphonic acid and its preparation

N,N-disubstituted derivatives of 3-carboxamide or 3-thiocarboxam

N-(3-(1'-3"-Oxapentamethyleneamino-ethylideneamino)-2,4,6-triio

N-(3-Hydroxyaryl-propyl)-imides

N-2,2-dimethyl-2-(2-hydroxy-alkylphenyl) heterocycles and stabil

N-2,2-dimethyl-2-(2-hydroxy-alkylphenyl) heterocycles and stabil

N-acetyl diglycolimide

N-acylamino acid derivatives

N-acylamino acid derivatives and their use

N-alkanoylphenylalamine derivatives

N-alkyl ammonium acetonitrile bleach activators

N-alkyl ammonium acetonitrile bleach activators

N-alkyl-p-quinonediimino triazine compounds

N-alkylation of amines

N-Amides of 2-benzothiazolinone