0 B9R0.51 NCCCS(=O)(=O)C(F)F CS-0531488 [2,0,0,0,0,0|2,0,0]=4 1 B11R1.520 N[C@]1(C(F)F)CCCNC1=O CS-0139021 [1,0,0,1,0,0|0,0,0]=2