41. When the Lewis base is an amine , adducts are also formed. 42. These alkyl and aryl derivatives of phosphine are analogous to organic amines . 43. Another important ingredient in some formulations is the surfactant polyethoxylated tallow amine . 44. In contrast, Amine was thought to have been much more moderate. 45. The polymerization reaction with the amine group eliminates hydrogen chloride. 46. Upon condensation with aromatic amines , they convert to the diketimine ligands. 47. There is a distinction between endogenous and exogenous biogenic amines . 48. The amines are transmitted locally or via the blood system. 49. MAO ) breaks down biogenic amines and prevents excessive resorption. 50. Triclopyr is formulated both as an ester and as an amine salt.