dChan
Anonymous ID: 7ae650 March 14, 2022, 5:01 a.m. No.15860274   🗄️.is 🔗kun

>>15860241

 

supporting sauce. (not original poster)

 

https://pubchem.ncbi.nlm.nih.gov/patent/US-6506148-B2

 

https://patents.google.com/patent/US6506148B2/en