1H,5H-Benzo[ij]quinolizine-9-carboxaldehyde,2,3,6,7-tetrahydro-8-hydroxy-1,1,7,7-tetramethyl- CAS NO.115662-09-4

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.