5-Formyl-2,4-dimethyl-1H-pyrrole-3-carboxylic acid CAS NO.253870-02-9

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.