Seco-LSD is an analogue of LSD with one or more bonds removed and may refer to:
3,5-Seco-LSD (also known as DEIMDHPCA) 8,10-Seco-LSD (also known as NDTDI) 10,11-Seco-LSD Additional seco-LSD compounds with more bonds (and atoms) removed include DEMPDHPCA, N-DEAOP-NMT, and N-DEAOP-NMPEA.
See also Secoergoline Nor-LSD (disambiguation) Partial ergoline Secosteroid