C2H2
APtclcactv04242421053D 0   0.00000     0.00000
 
  4  3  0  0  0  0  0  0  0  0999 V2000
   -0.5870   -0.0000   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5870    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6370   -0.0000   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.6370   -0.0000   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  3  0  0  0  0
  1  3  1  0  0  0  0
  2  4  1  0  0  0  0
M  END
$$$$