(2S,3S)-2-Amino-3-methyl-pentanoic acid methyl ester hydrochlorideL-Isoleucine methyl ester hydrochlorideL-异亮氨酸甲酯 盐酸盐methyl (2S,3S)-2-amino-3-methylpentanoate hydrochlorideMethyl L-isoleucinate hydrochloride(2S,3S)-methyl 2-amino-3-methylpentanoate hydrochlorideL-异亮氨酸甲酯盐酸盐