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Every human being carries with him from his cradle to his grave certain physical marks which do not change their character by which he can always be identified and that without shade of doubt or question these marks are his signature…and this autograph cannot be counterfeited, nor can he disguise it or hide it away. This ‘signature’ is each man’s very own — there is no duplicate of it among the swarming populations of the globe. This autograph consists of the delicate lines or corrugations with which Nature marks the insides of the hands and the soles of the feet.
Can you explain why your opinion has changed, to the point where you can now “comfortably say” that the chlorinating agent in step 4 was phosphorus pentachloride rather than thionyl chloride as you proposed in 2013? If phosphorus pentachloride was used in step 4 and the products of this reaction were not purified, what other chemicals would you expect to have been detected, and perhaps reported, by the OPCW labs? For instance, would you expect to see reaction products of phosphoryl chloride with isopropanol or isopropylamine?