@@21@@
$$Chem-stub$$
/\W(a|i)min(o|e)/
/\Wredox\W/
/acetal/
/acetate/
/acetic/
/acetone/
/acetyl/
/actinide/
/aldehyde/
/alicyclic/
/aliphatic/
/alkali\smetal/
/alkaline\searth\smetal/
/alkan/ , /balkan/
/alken/
/alkyl/
/alkyn/
/ammoni/
/benzen/
/benzol/
/benzyl/
/bromo/
/butadi/
/butan/ , /butant/
/butatri/
/buten/
/butoxy/
/butyl/
/butyn/
/carbonate/
/carboxy/
/carcinogen/
/cas\snumber/
/cas\sregistry/
5 /cataly(s|t)/
/category:[^\]]*reactions\W/
/chelat/
5 /chemical/
/chemical\sbond/
/chemical\scompound/
/chemical\selement/
/chemical\sformula/
/chemical\sreaction/
/chemical\ssubstance/
11 /chemist/
/chlor(i|o)/
/covalent\sbond/
/cyan/
/cyclic\scompound/
/diene/
/diole/
/ethane/
/ethen/
/\Wethers?\W/
/ethoxy/
/ethyl/
/ethyn/
/fluoro/
/formaldehyde/
/formiate/
/formic/
/formyl/
/friedrich\sw(ö|e|oe)hler/
/functional\sgroup/
/furan/
/glycol/
/halide/
/halogen/
/hydrazin/
/hydrocarbon/
/hydroxide/
/hydroxy/
/ic\sacid/
/imid(o|e)/
/indole/
/organic\scompound/
/\Wiodo/
/isomer/
/iupac/
/keton/
/lanthanide/
/ligand/
/line\sformula/
/mendeley?ev/
/metal(lo-)?organic/
/metalloid/
/methadi/
/methan/
/methatri/
/methen/ , /metheny/
/methoxy/
/methyl/
/methyn/
/mo(\s|-)theory/
/molecular\sorbit/
/molecul(e|ar)/
/nitrat/
/nitril/
/noble\sgas/
/nonmetal/
/olefin/
/organic\schemist/
/organometallic/
/oxid/
/paraffin/
/periodic\stable/
/peroxy/
/phenol/
/phenyl/
/phosphate/
/polymer/
/poor\smetal/
/propan/
/propen/
/propion/
/propoxy/
/propyl/
/propyn/
/rare\searth\selement/
/reactant/
/reagent/
/silicate/
/skeletal\sformula/
/structural\sformula/
/sulf/
/sulfate/
/thio/ , /thiol/
/thiol/
/total\ssynthesis/
/transition\smetal/
/triene/
/triole/
/valence\sbond/
22 /\{\{chembox/
20 /\Walloy-stub\}\}/ 
22 /\Wamine-stub\}\}/ 
22 /\Waromatic-stub\}\}/ 
22 /\Wester-stub\}\}/ 
20 /alcohol-stub\}\}/ 
22 /category:[^\]]*\W(an|cat)?ions\W/
22 /category:[^\]]*\Wacids\W/
22 /category:[^\]]*\Wchelat/
22 /category:[^\]]*\Wchemi/
22 /category:[^\]]*\Wcoordination\scompounds\W/
22 /category:[^\]]*\Wdeliquescent\ssubstances\W/
22 /category:[^\]]*\Wdesiccants\W/
20 /category:[^\]]*\Wdisinfectants\W/
20 /category:[^\]]*\Wdyes\W/
22 /category:[^\]]*\Whalcogenides\W/
22 /category:[^\]]*\Whalides\W/
22 /category:[^\]]*\Whydrates\W/
22 /category:[^\]]*\Wmolecul/
22 /category:[^\]]*\Wmutagens\W/
20 /category:[^\]]*\Wpoison/
22 /category:[^\]]*\Wpolymer/
22 /category:[^\]]*\Wsalts\W/
22 /category:[^\]]*catalys/
20 /category:[^\]]*enzymes\W/
22 /category:[^\]]*nitrosyl\scompounds\W/
22 /category:[^\]]*noble\sgas\W/
22 /category:[^\]]*organic\scompounds\W/
22 /category:[^\]]*periodic\stable\W/
22 /category:[^\]]*ph\sindicators\W/
20 /category:[^\]]*pigments\W/
22 /category:[^\]]*reagents\W/
20 /category:[^\]]*refrigerants\W/
20 /category:[^\]]*solvents\W/
20 /category:[^\]]*total\ssynthesis\W/
20 /category:[^\]]*toxins\W/
22 /category\:bases\W/
22 /chemistry-stub\}\}/
22 /chemist-stub\}\}/  
22 /chem-stub\}\}/
20 /explosive-stub\}\}/
20 /hallucinogen-stub\}\}/ 
22 /heterocyclic-stub\}\}/
22 /hydrocarbon-stub\}\}/ 
22 /organic-compound-stub\}\}/
22 /organohalide-stub\}\}/ 
20 /pharma-stub\}\}/
22 /polymer-stub\}\}/
20 /reaction-stub\}\}/ 
5 /\Wactinium\W/
5 /\Wantimony\W/
5 /\Wargon\W/
5 /\Warsenic\W/
5 /\Wastatine\W/
5 /\Wbarium\W/
5 /\Wberyllium\W/
5 /\Wbismuth\W/
5 /\Wboron\W/
5 /\Wbromine\W/
5 /\Wcadmium\W/
5 /\Wcaesium\W/
5 /\Wcalcium\W/
5 /\Wcarbon\W/
5 /\Wcerium\W/
5 /\Wchlorine\W/
5 /\Wchromium\W/
5 /\Wcobalt\W/
5 /\Wdysprosium\W/
5 /\Werbium\W/
5 /\Weuropium\W/
5 /\Wfluorine\W/
5 /\Wfrancium\W/
5 /\Wgadolinium\W/
5 /\Wgallium\W/
5 /\Wgermanium\W/
5 /\Whafnium\W/
5 /\Whelium\W/
5 /\Wholmium\W/
5 /\Whydrogen\W/
5 /\Windium\W/
5 /\Wiodine\W/
5 /\Wiridium\W/
5 /\Wkrypton\W/
5 /\Wlanthanum\W/
5 /\Wlithium\W/
5 /\Wlutetium\W/
5 /\Wmagnesium\W/
5 /\Wmanganese\W/
5 /\Wmercuty\W/
5 /\Wmolybdenum\W/
5 /\Wneodymium\W/
5 /\Wneon\W/
5 /\Wneptunium\W/
5 /\Wnickel\W/
5 /\Wniobium\W/
5 /\Wnitrogen\W/
5 /\Wosmium\W/
5 /\Woxygen\W/
5 /\Wpalladium\W/
5 /\Wphosphorus\W/
5 /\Wplutonium\W/
5 /\Wpolonium\W/
5 /\Wpotassium\W/
5 /\Wpraseodymium\W/
5 /\Wprotactinium\W/
5 /\Wradium\W/
5 /\Wradon\W/
5 /\Wrhenium\W/
5 /\Wrhodium\W/
5 /\Wrubidium\W/
5 /\Wruthenium\W/
5 /\Wsamarium\W/
5 /\Wscandium\W/
5 /\Wselenium\W/
5 /\Wsodium\W/
5 /\Wstrontium\W/
5 /\Wsulfur\W/
5 /\Wtantalum\W/
5 /\Wtechnetium\W/
5 /\Wtellurium\W/
5 /\Wterbium\W/
5 /\Wthallium\W/
5 /\Wthorium\W/
5 /\Wthulum\W/
5 /\Wtin\W/
5 /\Wtitanium\W/
5 /\Wtungsten\W/
5 /\Wuranium\W/
5 /\Wvanadium\W/
5 /\Wxenon\W/
5 /\Wytterbium\W/
5 /\Wyttrium\W/
5 /\Wzinc\W/
5 /\Wzirconium\W/
5 /poison/
5 /toxi(c|n)/