Bis[1,2]dithiolo[3,4-b][4',3'-e][1,4]thiazine-3,5-dione, a planar 1,4-thiazine

1. Marcos, C.F.
2. Rakitin, O.A.
3. Rees, C.W.
4. Torroba, T.
5. White, A.J.P.
6. Williams, D.J.