0 B13R2.1 NCCN1CCC2=CC=CC=C21 B039517 [1,0,0,0,0,0|2,0,1]=4 1 B13R1.26 COC(CCC#N)C1=CC=CC=C1 B039585 [0,0,1,0,0,0|3,0,0]=4 2 B15R3.3 C1=CC2=C(C=C1)C3OCOCC3C2 B048539 [0,0,0,1,0,0|2,0,1]=4