5,6,7,8-Tetrafluoro-3<tex>\lambda^{4}\delta^{2}$</tex>,1,2,4-benzothiaselenadiazine, 5,6,7,8-Tetrafluoro-1,3<tex>\lambda^{4}\delta^{2}$</tex>,2,4-benzodithiadiazine, and their hydrocarbon analogues: molecular and crystal structures

Abstract

Abstract is not available.