irrespective of 2- or 5-nitroimidazole , n1-unsubstituted nitroimidazoles ( 2-nitro- ( 1a ) , 4 ( 5 ) -nitro- ( 2a ) , 2-methyl-4 ( 5 ) -nitro ( 3a ) , and 4 ( 5 ) -methyl-5 ( 4 ) -nitro- ( 4a ) imidazoles ) were reduced stepwise to consume 6 electrons per molecule , whereas n1-alkyl substituted nitroimidazoles ( 1-methyl-2-nitro ( 5a ) and 1-methyl-5-nitro ( 6a ) imidazoles , misonidazole ( 7a ) , and metronidazole ( 8a ] reacted with consumption of 4 electrons .
C0028179
nitroimidazoles
C0026218
misonidazole