Just thought I would contribute this resource to better educate "new"bees to the world of clandestine chemistry & pharmacy.
It may be self explanatory, but it could help.
http://www.sh.lsuhsc.edu/fammed/OutpatientManual/PrescripWriting-PDR.htm (http://www.sh.lsuhsc.edu/fammed/OutpatientManual/PrescripWriting-PDR.htm)
Peace-out
Pethidine