0 B6R1.2 OC1CCNC1 ZR2002 [0,0,0,0,0,0|1,0,2]=3 1 B5R0.1 CC#CC(=O)O ZR3004 [0,0,1,0,0,0|1,0,2]=4 2 B8R1.2 NOC1CCCCO1 ZR2031 [0,1,0,0,0,1|0,0,2]=4 3 B8R1.2 OCC1CCOCC1 ZR2023 [0,1,0,0,0,1|0,0,2]=4 4 B8R1.52 CC[N+]1(C)CCCC1 ZR2010 [0,2,0,0,0,0|2,0,0]=4