ChemicalBook >
?? ???? >2-[[[[5-[[[4-[[(??????????)???]?????]???]????]???]-2-????]???]????]??]??????????
2-[[[[5-[[[4-[[(??????????)???]?????]???]????]???]-2-????]???]????]??]??????????
2-[[[[5-[[[4-[[(??????????)???]?????]???]????]???]-2-????]???]????]??]?????????? ??
??
2-[[[[5-[[[4-[[(??????????)???]?????]???]????]???]-2-????]???]????]??]?????????? C??? ??, ??, ??
2-[[[[5-[[[4-[[(??????????)???]?????]???]????]???]-2-????]???]????]??]?????????? ?? ?? ? ???
???
?? ??
2-[[[[5-[[[4-[[(??????????)???]?????]???]????]???]-2-????]???]????]??]?????????? ?? ??
???( 0)?? ??