Original: Chitin ( C8H13O5N ) n ( ) is a long-chain polymer of a N-acetylglucosamine , a derivative of glucose , and is found in many places throughout the natural world .
Simplified: Chitin ( C8H13O5N ) n ( IPA : ) is a long-chain polymeric polysaccharide of beta-glucose that forms a hard , semitransparent material found throughout the natural world .