0 B20R2.79502 Cc1ccccc1C(NCCF)c2ccccc2C CSC094980652 [0,0,1,0,0,0|2,0,1]=4 1 B21R2.25556 CCCNC(=O)c1ccccc1CCc2ccccc2 CSC047168062 [0,1,1,0,0,0|2,0,0]=4