Both fairly easy compounds to synthesize and/or aquire.
Diisopropyl methylphosphonate
Synthesis
Diisopropyl methylphosphonate can be prepared by a gradual addition of triisopropyl phosphite with methyl iodide, utilizing distillation technique.
This is an organophosphate poison - which is what the UN report accurately reports (organophosphate poisoning)as being the actual diagnostic for attacks that are widely labeled as being sarin - and it is a damned important distinction.
Diisopropylmethylphosphonate is a colorless liquid that has been shown to affect the hematological (blood forming) system in animals.[3] Its chemical formula is C7H17O3P.
Sources - wikipedia -
References
Diisopropyl methylphosphonate
"ATSDR - Toxic Substances - Diisopropyl Methylphosphonate (DIMP)". Atsdr.cdc.gov. 2011-03-03. Retrieved 2012-10-18.
"tf119" (PDF). Retrieved 2012-10-18.
"Chemicals & Reagents Of Adeviq-Spin Poland". Chemicals.pl. Retrieved 2012-10-18.
ATSDR - Toxic Substances - Diisopropyl Methylphosphonate (DIMP)
http://www.atsdr.cdc.gov/toxprofiles/tp119-c4.pdf
NOTE: Available commercially - BOTH of the 'sarin' indicators that French intelligence 'identify' as 'pointing to' ..... Both are pretty damn cheap.
http://www.fishersci.com/us/en/catalog/search/products?keyword=diisopropyl+methylphosphonate&nav=
Alfa Aesarâ„¢ Diisopropyl methylphosphonate, 95%
Chemical Name or Material: Diisopropyl methylphosphonate CAS: 1445-75-6 Molecular Formula: C7H17O3P Formula Weight: 180.18 MDL Number: MFCD00015022 Beilstein: 1761635 Synonym: Diisopropyl methanephosphonate; Methylphosphonic acid diisopropyl ester
Pricing & Availability
Specifications
Catalog Number Mfr. No. Quantity Price Quantity Availability
AAA1290414
SDS
Alfa Aesarâ„¢
A1290414
25g
$120.00 / Each
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Triisopropyl phosphite - available commercially.
Triisopropyl phosphite | C9H21O3P | ChemSpider
Structure, properties, spectra, suppliers and links for: Triisopropyl phosphite.
[Search domain www.chemspider.com] chemspider.com/Chemical-Structure.8003.html
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Hexamine - widely available commercially.
http://sciencemadness.wikia.com/wiki/Hexamine
Hexamine (or methenamine) is a solid, flammable organic compound that finds a use as a starting point for a few energetic materials
Hexamine can also be reacted with perchloric acid to form the moderately powerful explosive hexamine diperchlorate.
Hexamine is widely used in camping fuel tablets, either pure or mixed with 1,3,5-trioxane. In both cases, a wax binding covers the small tablets, requiring the hexamine to be dissolved in water and the binders filtered off before use.
Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...