--- a
+++ b/example/fragments.sdf
@@ -0,0 +1,41 @@
+fragments
+  PyMOL3.0          3D                             0
+
+ 17 18  0  0  1  0  0  0  0  0999 V2000
+  -12.0780   -1.4870   26.0700 C   0  0  0  0  0  0  0  0  0  0  0  0
+  -11.9880   -0.1610   25.5730 C   0  0  0  0  0  0  0  0  0  0  0  0
+  -13.3390   -2.0460   26.1190 C   0  0  0  0  0  0  0  0  0  0  0  0
+  -13.1760    0.5220   25.2870 C   0  0  0  0  0  0  0  0  0  0  0  0
+  -14.5120   -1.3900   25.7970 C   0  0  0  0  0  0  0  0  0  0  0  0
+  -13.5690   -3.6750   26.6640 Cl  0  0  0  0  0  0  0  0  0  0  0  0
+  -14.4120   -0.0670   25.3540 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -5.4630   -5.7030   26.3340 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -6.1660   -5.4790   27.6010 N   0  0  0  0  0  0  0  0  0  0  0  0
+   -4.0420   -5.2940   26.7290 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -7.4870   -5.4460   27.7140 C   0  0  0  0  0  0  0  0  0  0  0  0
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+   -4.2420   -4.2060   27.7660 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -8.1170   -5.0850   28.9210 C   0  0  2  0  0  0  0  0  0  0  0  0
+   -8.1270   -5.8030   26.7400 O   0  0  0  0  0  0  0  0  0  0  0  0
+   -5.9000   -4.2090   29.5940 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -7.2860   -4.2920   29.7570 C   0  0  0  0  0  0  0  0  0  0  0  0
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+  3  6  1  0  0  0  0
+  4  7  4  0  0  0  0
+  3  5  4  0  0  0  0
+  5  7  4  0  0  0  0
+  8  9  1  0  0  0  0
+  8 10  1  0  0  0  0
+  9 11  1  0  0  0  0
+ 11 14  1  0  0  0  0
+  9 12  1  0  0  0  0
+ 12 13  1  0  0  0  0
+ 12 16  1  0  0  0  0
+ 10 13  1  0  0  0  0
+ 11 15  2  0  0  0  0
+ 14 17  1  0  0  0  0
+ 16 17  2  0  0  0  0
+M  END
+$$$$