Cat.No.KY106099 Name左炔诺孕酮 英文名称Levonorgestrel CAS797-63-7 Purity 98% Min. MDL MFCD01546387 MolFormula C21H28O2 MolWeight Enquiry Email Name/Company Message KY106099 - 797-63-7 | 左炔诺孕酮 Quantity: Captcha Send Message