-methyl moiety. Proposed fragmentation pathways have already been incorporated as Supporting data. An interesting observation was which the mass spectrum of your late eluting isomer II did not seem to include m/z 348 (RDA fragment) and m/z 322 that were current during the EI mass spectrum of 1CP-LSD (Figure 2). https://messiaholdvm.blogs100.com/29852043/fascination-about-1cp-lsd-pellets-150mcg