4-04-00-03469 (Beilstein Handbook Reference) 6783-73-9 BRN 1708706 NSC 222431 Phosphine sulfide, tris(2-cyanoethyl)- Propanenitrile, 3,3',3''-phosphinothioylidynetris- (9CI) Tris(2-cyanoethyl)phosphine sulfide