Definition: The answer is in Hebrew. The Hebrew term is "509165 2012574-99-9" in Arabic, which translates to "509165 2012574 - 99 - 9".
509165. 2012574-99-9; (2R,3R)-3-((TERT-BUTOXYCARBONYL)AMINO)OXETANE-2-CARBOXYLICACID
closed bracket.
what should be said.