格隆汇2月26日丨华润双鹤(600062.SH)公布,全资孙公司秦皇岛紫竹药业有限公司(简称“秦皇岛紫竹”)收到了世界卫生组织(WorldHealthOrganization简称“WHO”)签发的左炔诺孕酮原料药(微粉)预资质认证证书(ConfirmationofWHOActivePharmaceuticalIngredientPrequalification,简称“CPQ证书”)。左炔诺孕酮为合成的强效孕激素,为速效、短效避孕药,避孕机制是显著抑制排卵和阻止孕卵着床,并使宫颈粘液稠度增加,精子穿透阻力增大,从而发挥速效避孕作用。
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