Not Less Than - 95%
Tert-butyl ((1S,2R)-1-hydroxy-1-phenylhex-5-yn-2-yl)carbamate; Carbamic acid, N-[(1R)-1-[(S)-
hydroxyphenylmethyl]-4-pentyn-1-yl]-, 1,1-dimethylethyl ester;1,1-Dimethylethyl N-[(1R)-1-[(S)-hydroxyphenylmethyl]-4-pentyn-1-yl]carbamate