<s>
XDrawChem	B-Application
is	O
a	O
free	B-Application
software	I-Application
program	O
for	O
drawing	O
chemical	O
structural	O
formulas	O
,	O
available	O
for	O
Unix	B-Application
and	O
macOS	B-Application
.	O
</s>
<s>
It	O
is	O
distributed	O
under	O
the	O
GNU	B-License
GPL	I-License
.	O
</s>
<s>
In	O
Microsoft	B-Application
Windows	I-Application
this	O
program	O
is	O
called	O
WinDrawChem	O
.	O
</s>
<s>
Integration	O
with	O
OpenBabel	B-Application
,	O
allowing	O
XDrawChem	B-Application
to	O
read	O
and	O
write	O
over	O
20	O
different	O
chemical	O
file	O
formats	O
.	O
</s>
