4-O-Desmethyl 4-O-Ethyl Trimethoprim Price Not Available 1mg 4-O-Desmethyl 4-O-Ethyl Trimethoprim Supplier Page Catalog Number R023945 Molecular Formula C15H20N4O3 CAS# 78025-68-0 Purity ≥95% Inchi InChI=1S/C15H20N4O3/c1-4-22-13-11(20-2)6-9(7-12(13)21-3)5-10-8-18-15(17)19-14(10)16/h6-8H,4-5H2,1-3H3,(H4,16,17,18,19) Inchi Key XWUQANDETYXOIU-UHFFFAOYSA-N SMILES CCOC1=C(C=C(C=C1OC)CC2=CN=C(N=C2N)N)OC Size 1mg Supplier Page https://www.musechem.com/product/R023945.html