1,4-Dithiaanthraquinone-2,3-dinitrile 2,3-Dicarbonitrilo-1,4-diathiaanthrachinon 2,3-Dicyano-1,4-dithiaanthraquinone 2,3-Dinitrilo-1,4-dithiaanthraquinone 2,3-Dinitrilo-1,4-dithioanthrachinon 3347-22-6 5,10-Dihydro-5,10-dioxonaphtho[2,3-b]-p-dithiin-2,3-dicarbonitrile Delan Delan WP Delan-Col Dithianon Dithianone IT 931 MV 119A Merkdelan NSC218452 Naphtho[2,3-b]-1,4-dithiin-2,3-dicarbonitrile, 5,10-dihydro-5,10-dioxo- Naphtho[2,3-b]-p-dithiin-2,3-dicarbonitrile, 5,10-dihydro-5,10-dioxo- Stauffer MV-119A Thynon WLN: T C666 BV DS GS IVJ ECN FCN