for the following products
(S)-(-)-alpha,alpha-Diphenyl-2-pyrrolidine methanoltrimethylsilyl ether | (S)-(-)-lmdiphenyl-2-pyrrolidine methanoltrimethylsilyl ether | (S)-2-(Diphenyl((trimethylsilyl)-oxy)methyl)pyrrolidine and (2S)-2-[Diphenyl[(trimethylsilyl)oxy]methyl]pyrrolidine
