0 B21R2.25778 CCOCC(C)NC(c1ccccc1)c2ccccc2 CSC053380247 [0,0,1,0,0,0|3,0,0]=4 1 B20R2.174637 CC(C)NC(=O)C(c1ccccc1)c2ccccc2 CSC046218190 [1,0,1,0,0,0|1,0,1]=4