0 B4R0.1 CC(C)NN ZR3013 [2,0,0,0,0,0|2,0,0]=4 1 B6R1.2 OC1CCNC1 ZR2002 [1,0,0,1,0,0|1,0,1]=4 2 B8R1.2 NOC1CCCCO1 ZR2031 [0,1,0,1,0,0|2,0,0]=4 3 B8R1.2 OCC1CCOCC1 ZR2023 [0,1,0,1,0,0|0,0,2]=4