Sequens introductio est ad (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one CAS 76855-69-1, spero melius te adiuvare intellege (3S,4R) -4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one CAS 76855-69-1. Excipe novos et veteres clientes ut pergere nobiscum cooperari ut melius futurum simul crearent! album vel off punctum album crystallinum pulvereMelting 106-109 â, punctum fervens 358.3 ± 27.0 ° C .