Chorionic gonadotropin, often abbreviated as hCG, is a hormone produced by cells that are surrounding a growing embryo (syncytiotrophoblast), which eventually forms the placenta after implantation. Its primary function is to support the development of the
![反-4-[(2-氨基-3,5-二溴苄基)氨基]-环己醇盐酸盐](/img_yhylwzwz.sbs/Products/2013_03/Pr_130305094456C046.jpg!250)
