0 B16R1.7352 NCCNC1CCCCCCCCCCC1 CSC000274884 [1,0,0,1,0,0|2,0,0]=4 1 B18R2.40223 CC1CCCCC1CNC2CCCCNC2=O CSC041766981 [0,0,0,2,0,0|2,0,0]=4 2 B18R2.60804 O=C1NCCCCC1NC2CCCCCCC2 CSC000406172 [0,0,0,2,0,0|2,0,0]=4