0  B12R2.606  N=C1NC2=C(C=C(O)C=C2)N1 DB03729 [2,0,0,0,0,0|2,0,0]=4
1  B12R2.18  O=C1NC2=CC=CC=C2C1=O DB02095 [2,0,0,0,0,0|1,0,1]=4