0 B14R2.21 c1cc(cnc1)c2ccnc(n2)N SN-3209 [2,0,0,0,0,0|1,0,0]=3 1 B14R2.21 c1ccnc(c1)c2ccnc(n2)N SN-3210 [2,0,0,0,0,0|1,0,0]=3 2 B14R2.21 c1cnccc1c2ccnc(n2)N SN-3208 [2,0,0,0,0,0|1,0,0]=3