Notizen: Azide und Nitrile cyclischer λ5-Phosphazene / Azides and Nitriles of Cyclic λ5-Phosphazenesdoi:10.1515/znb-1979-0523FluoroCompoundsCyclesThe kinetically stable triazatriphosphorinyl and tetraazatetra-phosphorocinyl azides 3 and 4 are prepared from the corresponding chlorides 1, 2 wit...
问题描述:最近两个月生理期总是提前到月底,也就是一个月来两次了,正常应该每个月月初,请问怎么回事,咋办?(女,27岁) 病情分析: 每次月经提前几天,那就观察期,没有淋漓出血就可以,最好查个妇科B超看看是否有异常。患者咨询记录 医生回复仅为建议,进一步确诊请到线下医院 最近两个月生理期总是提前到月底,也就是一...
Crystal structure of(3aS,4R,5S,6R,6aS)-4,5,6-trihydroxy-1-phenyl-3,3a,4,5,6,6a-hexahydro-1H-cycopent[c]-isoxazole,C12H15N1O4C12H15NO4, orthorhombic, P212121 (No. 19), a = 5.7551(7) , b = 5.7518(8) , c = 34.459(5) , V = 1140.7 3, Z = 4, Rgt(F...