COHEN, S Amides and peptides derived from 6-trichloromethylpurine and amino acids. [electronic resource] - Biochemistry - 176-81 p. digital Publication Type: Journal Article ISSN: 0006-2960 Standard No.: 10.1021/bi00901a031 doi Subjects--Topical Terms: AmidesAmino AcidsPeptidesPurines