1-Pyrrolidinecarboxylic acid, 2-ethynyl-4-hydroxy-, 1,1-dimethylethylester, (2R,4R)-

1-Pyrrolidinecarboxylic acid, 2-ethynyl-4-hydroxy-, 1,1-dimethylethylester, (2R,4R)- · CAS 833473-80-6