I work within sourcing chemicals from China to the USA and Japan.
One of the areas of my job is to test the material ordered to verify the chemical's structure and purity.
When working with a new factory, I test their products within my lab in China to first verify the chemical. Once the chemical is verified I can use the chemical to fulfill orders in the USA and Japan.
When an order is placed from a verified location, it is then tested within the country of origin to provide us with a confirmation COA (Certificate of Analysis) that is used for distribution of the chemical.
I can not say exactly what the products are that you have pictures of with out proper chemical analysis.
1H-NMR, 13C-NMR, LCMS or GCMS
It is possible but will take a fair amount of time and money to reach a conclusion.