ফিনাইল মূলকফিনিক্স
ফিনাইলিন ডাইএমাইন (Assamese)
1. Phenylenediamine may refer to: o-phenylenediamine or OPD, a chemical compound C6H4(NH2)2 m-phenylenediamine or MPD, a chemical compound C6H4(NH2)2 p-phenylenediamine or PPD, a chemical compound C6H4(NH2... from wikipedia.org