Question: What Swiss multinational healthcare company, introduced the steroidal progestin, Trengestone, in 1974?
Sentence (from "Norgestomet"): Norgestomet (INN, USAN, BAN) (brand name Syncro-Mate B; former developmental code name SC-21009), or norgestamet, also known as 11β-methyl-17α-acetoxy-19-norprogesterone, is a steroidal progestin of the 19-norprogesterone group used in veterinary medicine to control estrus and ovulation in cattle.
Relevant evidence: No