想请问一下各位大佬α-氯醛糖要怎么用IUPAC进行编号啊？搜到了它的IUPAC命名但是看不懂啊......
(1R)-1-[(2R,3aR,5R,6S,6aR)-6-hydroxy-2-(trichloromethyl)-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]ethane-1,2-diol