0 B16R2.137 CC1=CC=C(CSC2=NNC(N)=N2)C=C1 X-037646 [1,0,0,0,1,0|2,0,0]=4 1 B16R2.137 NC1=NC(SCC2=CC=C(Cl)C=C2)=NN1 X-037642 [1,0,0,0,1,0|1,1,0]=4