HNF - Model conformer
     RDKit          3D

 26 28  0  0  0  0  0  0  0  0999 V2000
  134.5550   -3.8760    4.8710 H   0  0  0  0  0  0  0  0  0  0  0  0
  134.4730   -3.7140    3.9380 O   0  0  0  0  0  0  0  0  0  0  0  0
  135.6270   -2.9750    3.4730 C   0  0  0  0  0  0  0  0  0  0  0  0
  136.9330   -3.2160    3.8960 C   0  0  0  0  0  0  0  0  0  0  0  0
  137.9970   -2.5200    3.3230 C   0  0  0  0  0  0  0  0  0  0  0  0
  137.7450   -1.5490    2.3560 C   0  0  0  0  0  0  0  0  0  0  0  0
  136.4330   -1.2910    1.9620 C   0  0  0  0  0  0  0  0  0  0  0  0
  135.3650   -1.9740    2.5380 C   0  0  0  0  0  0  0  0  0  0  0  0
  138.6370   -0.6730    1.6170 C   0  0  0  0  0  0  0  0  0  0  0  0
  137.8740    0.1240    0.7610 C   0  0  0  0  0  0  0  0  0  0  0  0
  136.4140   -0.2210    0.9040 C   0  0  0  0  0  0  0  0  0  0  0  0
  140.0260   -0.5360    1.6570 C   0  0  0  0  0  0  0  0  0  0  0  0
  140.6480    0.3790    0.8090 C   0  0  0  0  0  0  0  0  0  0  0  0
  139.8680    1.1770   -0.0260 C   0  0  0  0  0  0  0  0  0  0  0  0
  138.4780    1.0630   -0.0740 C   0  0  0  0  0  0  0  0  0  0  0  0
  140.5340    2.1740   -0.8910 N   0  0  0  0  0  0  0  0  0  0  0  0
  141.7580    2.2580   -0.8370 O   0  0  0  0  0  0  0  0  0  0  0  0
  139.8300    2.8650   -1.6220 O   0  0  0  0  0  0  0  0  0  0  0  0
  137.1220   -3.9450    4.6710 H   0  0  0  0  0  0  0  0  0  0  0  0
  139.0110   -2.7330    3.6270 H   0  0  0  0  0  0  0  0  0  0  0  0
  134.3490   -1.7320    2.2650 H   0  0  0  0  0  0  0  0  0  0  0  0
  135.8160    0.6490    1.2130 H   0  0  0  0  0  0  0  0  0  0  0  0
  135.9500   -0.5490   -0.0380 H   0  0  0  0  0  0  0  0  0  0  0  0
  140.6130   -1.1330    2.3390 H   0  0  0  0  0  0  0  0  0  0  0  0
  141.7240    0.4690    0.7990 H   0  0  0  0  0  0  0  0  0  0  0  0
  137.8900    1.6810   -0.7360 H   0  0  0  0  0  0  0  0  0  0  0  0
  2  1  1  0
  3  4  2  0
  3  2  1  0
  4 19  1  0
  5  4  1  0
  5 20  1  0
  6  5  2  0
  7  6  1  0
  7  8  2  0
  8  3  1  0
  8 21  1  0
  9 12  2  0
  9  6  1  0
 10 11  1  0
 10  9  1  0
 11  7  1  0
 11 22  1  0
 11 23  1  0
 12 24  1  0
 13 12  1  0
 13 25  1  0
 14 13  2  0
 15 14  1  0
 15 10  2  0
 15 26  1  0
 16 17  1  0
 16 14  1  0
 18 16  2  0
M  CHG  2  16   1  17  -1
M  END
$$$$
