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You are here Home Controlled substances List of controlled substances Tetrahydrogestrinone Listen Print Share LinkedIn (Twitter) Facebook Email Loading... Synonyms and other names 13β,17α-Diethyl-17β-hydroxygon-4,9,11-trien-3-one; 18a-homo-pregna-4,9,11-trien-17β-ol-3-one Application type 5G/5H Import licence required No Import permit required Yes Export licence and permit required No Find information on Licences and permits Back to controlled substances list