(NVC)
TETRAHYDROGESTRINONE(GB)
TETRAHYDROGESTRINON(SLE)
TETRAHYDROGESTRINON(CZ)
18ALPHA-HOMO-PREGNA-4,9,11-TRIEN-17BETA-OL-3-ONE(WAD)
17BETA-HYDROXY-18-METHYL-19-NORPREGNA-4,9,(10),11-TRIEN-3-ON(CZ)
18ALFA-HOMO-PREGNA-4,9,11-TRIEN-17BETA-OL-3-ON(CZ)
TETRAHYDROGESTRINONUM(INNM)