Benzenamine, 4-nitro-N,N-bis(4-nitrophenyl)- CAS NO.20440-93-1

1 good quality, better price and bettter service；
2 Timely delivery；
3 100% refunded if parcel is t delivered or poor quality.
We will try to satisfy you upon receipt of your reply. I hope that we can become a long-term cooperative partner.