P4O
  -OEChem-04192423173D

 42 46  0     0  0  0  0  0  0999 V2000
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   -1.3390    0.8820   -0.0860 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8260    2.3540   -1.9340 N   0  0  0  0  0  0  0  0  0  0  0  0
    0.3800    1.7510   -2.0190 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7940    0.7230   -1.1870 C   0  0  0  0  0  0  0  0  0  0  0  0
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    1.5420   -1.1420    1.1530 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.3640   -2.2580    2.0060 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.3130   -3.0590    2.7570 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5270   -2.9330    2.6270 O   0  0  0  0  0  0  0  0  0  0  0  0
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    0.2950   -4.0040    3.9500 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6100   -3.6650    2.7600 C   0  0  0  0  0  0  0  0  0  0  0  0
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   -1.6260   -1.6200    1.0440 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.3400   -4.5860    4.1550 H   0  0  0  0  0  0  0  0  0  0  0  0
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M  END
> <OPENEYE_ISO_SMILES>
c1ccc2c(c1)cc(cn2)c3cc(ccn3)c4cc5c([nH]4)CCNC5=O

> <OPENEYE_INCHI>
InChI=1S/C21H16N4O/c26-21-16-11-20(25-18(16)6-8-23-21)14-5-7-22-19(10-14)15-9-13-3-1-2-4-17(13)24-12-15/h1-5,7,9-12,25H,6,8H2,(H,23,26)

> <OPENEYE_INCHIKEY>
OWFLADWRSCINST-UHFFFAOYSA-N

> <FORMULA>
C21H16N4O

$$$$
