α-Hydroxyetizolam (also known as 6-(2-Chlorophenyl)-8-(1-hydroxyethyl)-1-methyl-4-triazolo-3,4-thieno-(2,3-e)(1,4) diazepine, 4-(2-Chlorophenyl)-α,9-dimethyl-6h-thieno(3,2-f)(1,2,4)triazolo(4,3-a)(1,4)diazepine-2-methanol, 6H-Thieno(3,2-f)(1,2,4)triazolo(4,3-a)(1,4)diazepine-2-methanol, (2-chlorophenyl)-α,9-dimethyl-, 6H-thieno(3,2-f)(1,2,4)triazolo(4,3-a)(1,4)diazepine-2-methanol, 4-(2-chlorophenyl)-α,9-dimethyl-, 4-(2-Chlorophenyl)-α,9-dimethyl-6H-thieno[3,2-F][1,2,4]triazolo[4,3-a][1,4]diazepine-2-methanol, α-Hydroxyetizolam, (+-)-, ?-hydroxy Etizolam, , A-Hydroxy etizolam, PCA54610 or HY-W705371) is a substance of the thienotriazolodiazepine class.