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