amino acid synthesis 10 article 8 priority journal 6 Stereoisomerism 4 amino acid derivative 4 unclassified drug 4 3 ,5-dihydroxybenzoic acid 2 5 amino 4 hydropentanoic acid 2 5 amino 5 deoxy dextro xylonic acid 2 5 amino 5 deoxy levo arabinonic acid 2 Acetonation 2 Acetone 2 Alanine 2 Amide Synthases 2 Amino Sugars 2 Amino acid transport 2 Amino acids 2 Arginine kinase 2 Canavanine 2 Carbohydrate Conformation 2 Carbohydrates 2 Carboxylic Acids 2 Chemical bonds 2 Cinnamates 2 Cinnamic acid derivatives 2 Coumaric Acids 2 Crystalline matrices 2 Cyano-4-hydroxycinnamic acids 2 Density functional theory studies 2 E-coumaric acid 2