1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris(2-chloroethyl)- 6299-37-2 NSC44649 s-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris(2-chloroethyl)-