0 B6R1.2 OC1CCNC1 ZR2002 [1,0,0,1,0,0|1,0,0]=3 1 B8R1.2 NOC1CCCCO1 ZR2031 [0,1,0,1,0,0|1,1,0]=4 2 B8R1.2 OCC1CCOCC1 ZR2023 [0,1,0,1,0,0|0,1,0]=3