英文别名(4S)-2-amino-3-cyano-4-methyl-4,5,6,7-tetrahydro-1-benzothiophene-4-carboxylic acid; (4S)-2-amino-3-cyano-4-methyl-6,7-dihydro-5H-benzothiophene-4-carboxylic acid; (R)-2-Amino-3-cyano-4-methyl-4,5,6,7-tetrahydro-benzo[b]thiophene-4-carboxylic acid