IUPAC names for the following compounds please
1..............O
...............||
..........--...C
........./..\ /..\
.........\../.....H
..........--
2. ..............O
..................||
............CH3CH2-C-CH3
3..........CH3.O
...........|...||
.....CH3CH2CCH2C
................\
................OH
4............O
.............||
....CH3CH2CH2C
............. \
..............OCH2CH3
5..............O
.....--........||
..../..\-CH=CH-C-H
....\../
.....--