中文名称：左炔诺孕酮
CAS号：797-63-7
中文别名：D(–)-17α-乙炔基-17β-羟基-18-甲基雌甾-4-烯-3-酮; 左炔诺孕酮; D-(-)-炔诺孕酮; 左旋炔诺酮; 左旋甲炔诺酮
英文名称：Levonorgestrel
英文别名：13-ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one; 13-ethyl-17-alpha-ethynylgon-4-en-17-beta-ol-3-one; 13-ethyl-17-hydroxy-19-dinor-17-alpha-pregn-4-en-20-yn-3-on(+)-1; 17-alpha-ethinyl-13-beta-ethyl-17-beta-hydroxy-4-estren-3-one; 17-beta-hydroxy-18-methyl-19-nor-17-alpha-pregn-4-en-20-yn-3-one; 17-ethynyl-18-methyl-19-nortestosteron; 17-ethynyl-18-methyl-19-nortestosterone; 18-methyl-17-alpha-ethynyl-19-nortestosterone
EINEC:212-349-8
分子式：C21H28O2
分子量：312.45