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CAS No. 59850-51-0
-; (betaR)-beta-methyl-L-phenylalanine; (betaR)-beta-methyl-D-phenylalanine
(S)-2-[[(2,5-二氧代-1-吡咯烷基)氧基]羰基]-1-吡咯烷羧酸芴甲基酯