<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="Naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus." href="http://classyfire.wishartlab.com/tax_nodes/C0000279" rel="noopener" target="_blank">Alkaloids and derivatives</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Alkylamines in which the alkyl group is substituted at one carbon atom by an aromatic hydrocarbyl group." href="http://classyfire.wishartlab.com/tax_nodes/C0003899" rel="noopener" target="_blank">Aralkylamines</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Compounds containing a pyrrolidine moiety that is substituted at the N1-position with an alkyl group. Pyrrolidine is a five-membered saturated aliphatic heterocycle with one nitrogen atom and four carbon atoms." href="http://classyfire.wishartlab.com/tax_nodes/C0003449" rel="noopener" target="_blank">N-alkylpyrrolidines</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Compounds containing an aromatic ring where a carbon atom is linked to an hetero atom." href="http://classyfire.wishartlab.com/tax_nodes/C0004144" rel="noopener" target="_blank">Heteroaromatic compounds</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Organic compounds containing a trialkylamine group, characterized by exactly three alkyl groups bonded to the amino nitrogen." href="http://classyfire.wishartlab.com/tax_nodes/C0002239" rel="noopener" target="_blank">Trialkylamines</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 nitrogen atom and one carbon atom linked to each other." href="http://classyfire.wishartlab.com/tax_nodes/C0004139" rel="noopener" target="_blank">Azacyclic compounds</a></span><span class="list-separator"> / </span><span class="separated-list-item"><a class="classyfire-taxnode" data-content="Compounds containing a bond between carbon a pnictogen atom. Pnictogens are p-block element atoms that are in the group 15 of the periodic table." href="http://classyfire.wishartlab.com/tax_nodes/C0004557" rel="noopener" target="_blank">Organopnictogen compounds</a></span><span class="list-separator"> / </span><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>