Title: 4-Methyl-2-n-propyl-1H-benzimidazole-6-carboxylic acid.
Journal: Acta crystallographica. Section E, Structure reports online 20090201
Title: Methyl 3-amino-4-butanamido-5-methyl-benzoate.
Journal: Acta crystallographica. Section E, Structure reports online 20080601