sentences:  Isobutylamine
  
  Isobutylamine is an organic chemical compound (specifically, an amine) with the formula (CH3)2CHCH2NH2, and occurs as a colorless liquid.Isobutylamine is one of the four isomeric amines of butane, the others being "n"-butylamine, "sec"-butylamine and "tert"-butylamine.