Through the nineteen sixties towards the mid-1980s, reductive amination was the method of option for clandestine methamphetamine generation. Enterprising biker gangs who dominated the trade at the moment largely ran these operations. (The slang expression “crank” for methamphetamine allegedly originated from bikers transporting meth during the crankshafts of their bikes. https://lanebxhwb.blogzet.com/what-does-blue-copyright-for-sale-mean-44851982