<span class="separated-list-container"><span class="separated-list col-lg-12 col-xl-6"><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Compounds containing an oxepane ring, which is a seven-member saturated aliphatic heterocycle with one oxygen and six carbon atoms." href="http://classyfire.wishartlab.com/tax_nodes/C0001729" rel="noopener" target="_blank">Oxepanes</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Compounds containing a cylohexenone moiety, which is a six-membered aliphatic ring that carries a ketone and has one endocyclic double bond." href="http://classyfire.wishartlab.com/tax_nodes/C0004325" rel="noopener" target="_blank">Cyclohexenones</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Compounds containing a gamma butyrolactone moiety, which consists of an aliphatic five-member ring with four carbon atoms, one oxygen atom, and bears a ketone group on the carbon adjacent to the oxygen atom." href="http://classyfire.wishartlab.com/tax_nodes/C0001245" rel="noopener" target="_blank">Gamma butyrolactones</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Organic compounds containing exactly two carboxylic acid groups." href="http://classyfire.wishartlab.com/tax_nodes/C0000346" rel="noopener" target="_blank">Dicarboxylic acids and derivatives</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Heterocyclic compounds containing a saturated, aliphatic, five-membered ring where a carbon is replaced by an oxygen." href="http://classyfire.wishartlab.com/tax_nodes/C0002648" rel="noopener" target="_blank">Tetrahydrofurans</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Organic compounds containing a carboxyl group that is esterified with a methyl group. They have the general structure RC(=O)OR', where R=H or organyl group and R'=methyl group." href="http://classyfire.wishartlab.com/tax_nodes/C0003416" rel="noopener" target="_blank">Methyl esters</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Organic compounds containing an heterocycle with at least one oxygen atom linked to a ring carbon." href="http://classyfire.wishartlab.com/tax_nodes/C0004140" rel="noopener" target="_blank">Oxacyclic compounds</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Compounds containing a cyclic ether with three ring atoms(one oxygen and two carbon atoms)." href="http://classyfire.wishartlab.com/tax_nodes/C0000159" rel="noopener" target="_blank">Epoxides</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Organic compounds containing the dialkyl ether functional group, with the formula ROR', where R and R' are alkyl groups." href="http://classyfire.wishartlab.com/tax_nodes/C0001167" rel="noopener" target="_blank">Dialkyl ethers</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Organic compounds containing an oxide group." href="http://classyfire.wishartlab.com/tax_nodes/C0003940" rel="noopener" target="_blank">Organic oxides</a></span></span></span><span class="hidden-taxonomy" style="display: none"><span class="list-separator"> / </span><span class="separated-list-container"><span class="separated-list col-lg-12 col-xl-6"><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Derivatives of hydrocarbons obtained by substituting one or more carbon atoms by an heteroatom. They contain at least one carbon atom and heteroatom." href="http://classyfire.wishartlab.com/tax_nodes/C0004150" rel="noopener" target="_blank">Hydrocarbon derivatives</a></span></span></span></span><a class="taxonomy-toggler" href="javascript:void();"><div class="drugbank-icon icon-expand"><svg class="icon" role="img" title="expand">
<use xlink:href="/assets/icons-539be351b538129271b9ee92cb0ebbd16efad4fccf6e2fe95aa6234f1e7417fa.svg#expand"></use>
</svg>
</div> show 1 more</a>