1-(5-broMo-2-iodopyridin-3-yl)ethanone
1-(5-broMo-2-iodopyridin-3-yl)ethanone ??
??
1-(5-broMo-2-iodopyridin-3-yl)ethanone C??? ??, ??, ??
1-(5-broMo-2-iodopyridin-3-yl)ethanone ?? ?? ? ???
???
?? ??
1-(5-broMo-2-iodopyridin-3-yl)ethanone ?? ??
???( 0)?? ??