also DDT, 1943, from dichlorodiphenyltrichlorethane; first made in U.S. by Geigey & Co.

Dichloordifenyltrichloorethaan – Wikipedia
Alternatives to DDT | UN Environment
In-Utero Exposure To Controversial Pesticide DDT May Be Linked To
File:Namenserklärung DDT.svg – Wikimedia Commons