Once the 1V-LSD hemitartrate salt was subjected to basification and extraction with diethyl ether ahead of GC-MS analysis, it was discovered that hydrolysis to LSD transpired (Supporting Facts). Moreover, 3 additional 1V-LSD isomers ended up detected while in the GC-MS TIC trace with 1V-LSD labeled as isomer I. Once the 1V-LSD salt was dissolved in