“Short of the chemicals it normally uses to execute people, Oklahoma wants to use new lethal drug combinations, including one that took 25 minutes to kill a man in Ohio, according to a legal brief filed Monday. The updated procedure allows for the use of a single dose of pentobarbital, a new three drug cocktail using midazolam and hydromorphone, or a third new option that allows the state to replace another scarce drug, vecuronium bromide, with a comparable drug. States are having a harder time finding lethal injection drugs as manufacturers and compounding pharmacies have come under public scrutiny and have become increasingly reluctant to provide them for executions.”
http://newsok.com/oklahoma-changes-lethal-injection-procedure/article/3946604