Mescaline’s Krebs acid conjugates & many other compounds have been reported from Lophophora williamsii and/or the other cacti discussed in this work.
A partial view of some of those compounds is below and a far more detailed look can be found in the books:
Cactus Chemistry By Species
(illustrated PDF)
(“light” PDF)
&
The Cactus Alkaloids
(PDF)
Lemairin
