| 摘要 |
1292496 Contraceptive dosage units ORGANON LABORATORIES Ltd 26 Feb 1970 [26 Feb 1969] 9371/70 Heading A5B Pharmaceutical dosage units suitable for daily administration to achieve contraception take the form of a pill, tablet or capsule comprising from 0.1 to 0.6 mg of a compound of prising from 0.1 to 0.6 mg of a compound of the general formula: wherein R 1 =H, Me, Et or C 1-4 acyl; R 2 =C 2-4 alkynyl; and in which there is a #<SP>4,5</SP> or #<SP>5,6</SP> double bond. Specified compounds are: #<SP>4</SP>-17α-ethynyl-oestrene 17#-ol; #<SP>4</SP>-17α- propargyloestrene-17#-ol; #<SP>5</SP>-17α-ethynyl-oestrene- 17# - ol; #<SP>5</SP> - 17α- propynyloestrene - 17# - ol and its ethyl ether and acetate; #<SP>4</SP> - 17α- butynyloestrene-17#-ol and #<SP>5</SP>-17α-propargyloestrene-17#-ol-butyrate.
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