<unk>  is now unavailable in most countries of the world either by laws prohibiting its medicinal use as in the United States or by falling out of production as more modern analgesics took its market share. Great Britain, Northern Ireland and South Africa are known to continue to use the substance but it is infrequently prescribed.<unk>  is a Schedule I controlled substance in the United States; it has been assigned the ACSCN of 9622 and since 2013 had an annual manufacturing quota of 5 grams.
Dipipanone
Norpipanone
Oleandrin
Bifluranol
Bolandiol dipropionate
Protollin
Nandrolone phenylpropionate
Drostanolone propionate