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Chemical name Thiosymbescaline
Chemical formula C13H21NO2S
3-TSB, an example of a TSB compound

TSB, or thiosymbescaline, is a series of lesser-known psychedelic drugs similar in structure to symbescaline. They were first synthesized by Alexander Shulgin and written up in his book PiHKAL (Phenethylamines i Have Known And Loved). Very little is known about their dangers or toxicity.

TSB compounds

3-TSB, or 3-ethylthio-4-methoxy-5-ethoxyphenethylamine
4-TSB, or 4-methylthio-3,5-diethoxy-phenethylamine


Dosage: unknown

Duration: unknown

Effects: few to none


Dosage: 240 mg

Duration: unknown

Effects: slight spaciness

See also

External links

  • 3-TSB entry in PiHKAL
  • 3-TSB entry in PiHKAL • info
  • 4-TSB entry in PiHKAL
  • 4-TSB entry in PiHKAL • info
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