<s>
ΧyMTeΧ	O
is	O
a	O
macro	O
package	O
for	O
TeX	B-Application
which	O
renders	O
high-quality	O
chemical	O
structure	O
diagrams	O
.	O
</s>
<s>
Molecules	O
are	O
defined	O
by	O
TeX	B-Application
markup	I-Application
.	O
</s>
