00520nam a22001697a 4500 116674 116673 OSt 20260706112939.0 201022b ||||| |||| 00| 0 eng d 9788131756881 547:543.062 VOG Vogel,Arthur I 331 Elementary Practical Organic Chemistry: Quantitative Organic Analysis, part III by Arthur I Vogel Newdelhi Pearson 2011 XXX;840p. Hydroxy groups Amino acid Active hydrogen ddc BK