0 B15R2.1668 O=C(O)CN1CCC2=C(C=CC=C2)C1 D62544 [1,0,0,0,0,0|1,0,2]=4 1 B16R2.252 O=C1CN(CCC2=CC=CC=C2)CCN1 P56021 [0,0,1,1,0,0|0,0,2]=4