// Workers AI · dad joke modeWhat did Des-LSD say to its friend? "You're a trip.

Ergoline ring system numbered and labeled.

LSD chemical structure.

Des-LSD, or LSD with a part removed, may refer to:

• Des-A-LSD
• Des-B-LSD (UCD0068)
• Des-C-LSD
  • 4-Desmethylene-LSD (UCD0179)
  • 10,11-Seco-LSD (UCD0121)
• Des-D-LSD
  • NDTDI (9-desmethine-LSD; 8,10-seco-LSD)

It may also refer to LSD with multiple parts removed:

• Dides-B,C-LSD (UCD0120)
• Dides-C,D-LSD
  • N-DEAOP-NMT (desvinyl-LSD; 9,10-dinor-LSD)
• Trides-B,C,D-LSD
  • N-DEAOP-NMPEA (PEA-NM-NDEPA)
• Trides-A,B,C-LSD
  • THPC (UCD0162)

See also

• Partial lysergamide
• Nor-LSD
• Seco-LSD