Question

in 1938, swiss chemist albert hoffman derived ______, a hallucinogenic drug, from a group of naturally occurring drugs called ergot alkaloids.
lsd
mescaline
cannabis
peyote

Explanation:

In 1938, Swiss chemist Albert Hoffman derived LSD from ergot alkaloids. Mescaline comes from peyote cactus, cannabis is from the cannabis plant, and peyote is a cactus source of mescaline.

Answer:

A. LSD