Urs-12-en-28-oic acid,2,3-dihydroxy-, (2a,3b)- CAS NO.4547-24-4

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.