0 B20R2.4630876 CCCN1C(=O)C=C(OCC(=O)O)C2=CC=CC=C21 BB51-0774 [0,0,1,0,0,0|1,0,0]=2 1 B19R2.213349 CCCN1C(=O)\C(=C\C(=O)O)SC2=CC=CC=C21 BB51-0520 [1,0,1,0,0,0|2,0,0]=4