0 B19R3.19268 C1=CN=C(NCC2=CC=C3OCOC3=C2)N=C1 F1967-2942 [2,0,0,0,0,0|2,0,0]=4 1 B19R3.12901 NC1=CC(C2=CC3=C(C=C2)OCO3)=NNC1=O F1967-2612 [0,0,0,0,2,0|2,0,0]=4