103289-74-3
(2'S,3E)-4-(1-t-butoxycarbonylpyrrolidin-2-yl)-1-trimethylsilylbut-3-enoic acid
→
103289-80-1
(2'S,3E)-methyl 2-benzyl-4-(1-t-butoxycarbonylpyrrolidin-2-yl)but-3-enoate
2577-48-2
METHYL L-PROLINATE