[PAR] [TLE] Trengestone [SEP] Trengestone (INN) (brand names Reteroid, Retroid, Retrone; former developmental code name Ro 4-8347), also known as 6-chloro-6,7-didehydroretroprogesterone or 6-chloro-9β-10α-pregna-1,4,6-triene-3,20-dione, is a steroidal progestin of the retroprogesterone group related to dydrogesterone that was formerly used to treat menstrual disorders.  It was synthesized in 1964 and was introduced for medical use by Roche in 1974. [PAR] [TLE] Hoffmann-La Roche [SEP] F. Hoffmann-La Roche AG is a Swiss multinational healthcare company that operates worldwide under two divisions: Pharmaceuticals and Diagnostics.  Its holding company, Roche Holding AG, has bearer shares listed on the SIX Swiss Exchange.  The company headquarters are located in Basel.
[PAR] [TLE] Trengestone [ SEP ] Trengestone ( INN ) ( brand names Reteroid , Retroid , Retrone ; former developmental code name Ro 4 - 8347 ) , also known as 6-chloro-6,7-didehydroretroprogesterone or 6-chloro-9β-10α - pregna-1,4,6-triene-3,20-dione , is a steroidal progestin of the retroprogesterone group related to dydrogesterone that was formerly used to treat menstrual disorders . It was synthesized in 1964 and was introduced for medical use by Roche in 1974 . [PAR] [TLE] Hoffmann - La Roche [ SEP ] F. Hoffmann - La Roche AG is a Swiss multinational healthcare company that operates worldwide under two divisions : Pharmaceuticals and Diagnostics . Its holding company , Roche Holding AG , has bearer shares listed on the SIX Swiss Exchange . The company headquarters are located in Basel .
What Swiss multinational healthcare company, introduced the steroidal progestin, Trengestone, in 1974?
What Swiss multinational healthcare company , introduced the steroidal progestin , Trengestone , in 1974 ?
Hoffmann-La Roche
Hoffmann-La Roche