... (14)5-3-8/h2-5,10,14H,6H2,1H3,(H,12,13)(H,15,16)/p-1/t10-/m0/s1Synonyms:L-TYROSINE, N-ACETYL-;ACETYLTYROSINE;ACETYL-L ... -TYROSINE;AC-TYR-OH;AC-TYROSINE;N-AC-L-TYR;N-ACEYL-L-TYROSINE;(2S)-2-(acetylamino)-3-(4-hydroxyphenyl ... .50%Residue on ignition≤0.10%Assay99.0~101.0%L-Tyrosine≤1.0%PH 2.0~3.0 N-ACETYL-L-TYROSINE