Most of the currently known 2C compounds were first synthesized by Alexander Shulgin in the 1970s and 1980s and published in his book PiHKAL (Phenethylamines i Have Known And Loved).
Most of the currently acknowledged 2C compounds were initially synthesized by Alexander Shulgin in the 1970s and 1980s, which he documented in his book PiHKAL (Phenethylamines i Have Known And Loved).