Geeze Zipzap. That comment indicates that there's more depth to be had in a tea spoon than there is in your understanding of the pharmacology of Phenylbutazone.
To suggest that the horse won hard held as a result of trace amounts of a NSAID in it's system, one that doesn't work at all beyond 12hrs post administration but nevertheless, under the present system/testing regime can and does produce trainer answerable positives out beyond 132hrs post administration...is just plain wrong.