126681-81-0 2-Butenamide, 4-(4-chlorophenyl)-2-hydroxy-4-oxo-N-tricyclo(3.3.1.1(sup 3,7))dec-1-yl- 4-(4-Chlorophenyl)-2-hydroxy-4-oxo-N-tricyclo(3.3.1.1(sup 3,7))dec-1-yl-2-butenamide BRN 4203707