SEARCH Articles Figures Tables 1.4- Diazocine, 1,4-dihydro structure 3.5- Dihydro-47/-2,3-benzodiazepin-4-ones structure 6’,7’-Dihydro-scutionin structure Dihydro-1,2,4,5-tetrazines, structure Pyrazine, 1,4-dihydro-, structure