0 B13R1.386 COC1=C(OC)C=C(CC#N)C=C1 BBC/216 [0,1,1,0,0,0|1,0,1]=4 1 B13R1.386 COC1=C(OC)C=C(CCN)C=C1 BBC/148 [0,1,1,0,0,0|1,0,1]=4