(R)-(+)-4-羥基-2-吡咯烷酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-4-羥基-2-吡咯酮
(R)-4-羥基-2-吡咯酮
(R)-4-羥基-2-吡咯酮
(R)-4-羥基-2-吡咯酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-(+)-4-羥基-2-吡咯烷酮
(R)-4-羥基-2-吡咯酮
(R)-4-羥基-2-吡咯酮
(R)-4-羥基-2-吡咯酮
(R)-4-羥基-2-吡咯酮