Seco-LSDSeco-LSD is an analogue of LSD with one or more bonds removed and may refer to: 3,5-Seco-LSD 8,10-Seco-LSD 10,11-Seco-LSDAdditional seco-LSD compounds with more bonds removed include DEMPDHPCA, N-DEAOP-NMT, and N-DEAOP-NMPEA.