"(2R,4R)-4-(tert-butoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]pyrrolidine-2-carboxylic acid"
"(2R,4R)-4-(叔丁氧基)-1-[[(9H-芴-9-甲氧基)羰基]吡咯烷-2-羧酸"
"(2R,4R)-4-(叔丁氧基)-1-[[(9H-芴-9-甲氧基)羰基]吡咯烷-2-羧酸"
"(2R,4R)-4-(叔丁氧基)-1-[[(9H-芴-9-甲氧基)羰基]吡咯烷-2-羧酸"
"(2R,4R)-4-(叔丁氧基)-1-[[(9H-芴-9-甲氧基)羰基]吡咯烷-2-羧酸"