Proper noun
Delysid
LSD-25 when marketed as a pharmaceutical in the 1940s.
Hofmann discovered its psychedelic properties in 1943. citation LSD was introduced as a commercial medication under the trade-name Delysid for various psychiatric uses in 1947. Source: Internet
The Sandoz prospectus for "Delysid" warned: "intermittent disturbances of affect may occasionally persist for several days." Source: Internet