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nature : added 53 DL111 unit. The white crystalline powder. Soluble ether, chloroform, slightly soluble in ethanol. Do not dissolve in water. Male steranes A stolen rings of carbon atoms into a ,2,2,3 - propionate - acetylene compounds. With anti-implantation effect of oral contraceptives, no progesterone activity. Encourage the endometrium with the simultaneous development of fertilized eggs, the impact of lost eggs fertilized eggs in the operation and development, create conducive implantation. There delayed ovulation and pregnancy-. Features are not required daily medication, the only woman in the room immediately after the medication can contraception. Suitable for the use of visiting relatives or newlyweds. Male n 17-benzoic acid ester oxidation by the A ring-opening acid into two, closed-loop into a ring, and then alkyne, and esterification obtained.
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