DL-2-Amino-4-mercaptobutyric acid-1,4-thiolactoneDL-HOMOCYSTEINETHIOLACTONE HClDL-HOMOCYSTEINE THIOLACTONE HYDROCHLORIDE3-aminodihydrothiophen-2(3H)-one hydrochlorideDL-Homocysteine thiolactone hydrochlorideDL-2-氨基-4-巯基丁酸 1,4-硫内酯 盐酸盐DL-2-Amino-4-mercaptobutyric acid 1,4-thiolactone hydrochloride3-氨基二氢噻吩-2-酮 盐酸盐3-Aminodihydro-2-(3H)-thiophenone Hydrochloridedl Homocysteine Thiolactone Hydrochloride3-aminothiolan-2-one hydrochloride(+/-)-3-Amino-dihydro-thiophen-2-one Hydrochloride