SCHEDULE 4U.K.

PART IIU.K. [F1Controlled Drugs Excepted From the Prohibition on Possession; Excluded from the Application of Offences Arising from the Prohibition on Importation and Exportation when Carried Out in Person for Administration to That Person; and Subject to the Requirements of Regulations 22, 23, 26 and 27]

2.  Any compound (not being Trilostane or a compound for the time being specified in paragraph 1 of this Part of this Schedule) structurally derived from 17-hydroxyandrostan-3-one or from 17-hydroxyestran-3-one by modification in any of the following ways, that is to say -U.K.

(a)by further substitution at position 17 by a methyl or ethyl group;

(b)by substitution to any extent at one or more of positions 1, 2, 4, 6, 7, 9, 11 or 16, but at no other position;

(c)by unsaturation in the carbocyclic ring system to any extent, provided that there are no more than two ethylenic bonds in any one carbocyclic ring;

(d)by fusion of ring A with a heterocyclic system.