C8H17OH
^^^^OH
And.
C2H4O2 ( also know more commonly as acetic acid )
https://images.search.yahoo.com/yhs/search;_ylt=A0LEVjsPmRlXeOwANMonnIlQ;_ylu=X3oDMTByMjB0aG5zBGNvbG8DYmYxBHBvcwMxBHZ0aWQDBHNlYwNzYw--?p=Acetic+Acid&fr=yhs-mozilla-002&hspart=mozilla&hsimp=yhs-002