Assertion: testosterone derived steroid | /r/HasProperty | synthesized at g. d. searle
Facets:
value: in 1953
type: TEMPORAL
Source sentences:
text: In 1953, a testosterone-derived steroid known as norethandrolone (17α-ethyl-19-nortestosterone) was synthesized at G. D. Searle & Company and was studied as a progestin, but was not marketed.