All
 D02 Organic Chemicals D009930 +
 D02.442 Hydrazines D006834 +
 D02.442.175 Benserazide D001545 
 D02.442.200 Carbidopa D002230 
 D02.442.288 Hydrazones D006835 +
 D02.442.372 Iproniazid D007490 
 D02.442.436 Isoniazid D007538 
 D02.442.600 Methylhydrazines D008763 +
 D02.442.700 Phenelzine D010624 
 D02.442.726 Phenylhydrazines D010659 +
 D02.442.925 Todralazine D014032