1 Subjects: “...structure-based drug design...”

2 Subjects: “...structure-based drug discovery...”

3 Subjects: “...structure-activity...”

4 Subjects: “...structure-activity relationship...”

5 “... Engelmann in 1875 and although he had no particular knowledge of gap junction channels (their structure...”

6 “.... These latter studies focus on the drug itself, considering the chemical properties related to its structural...”

7 “... that act as potent antioxidant agents. Tryptophan metabolites, such as melatonin, and structurally related...”