Using a home treatment such as salicylic acid or duct tape.

Other weak acids can be used such as boric acid.

Weak acids such as acetic acid will react, but less quickly.

Other compounds, such as uric acid and lecithin, may be more effective than S-200.

Isoxazole rings are found in some natural products, such as ibotenic acid.

Along the way the player must avoid various perils, such as monsters, spikes and acid.

Antioxidants such as sulfite and ascorbic acid are sometimes used.

The article reported that concentrations of omega-10 fatty acids such as sapienic acid showed no change with age.

There are several isomers such as 3,4-dicaffeoylquinic acid and 3,5-dicaffeoylquinic acid.

Certain chemicals, such as oxalic acid, attack copper but do not affect either silver or gold.