tetroxoprim tetroxoprim tetroxoprim (inn) is a derivative of trimethoprim. it was first described in 1979. tetroxoprimclinical dataatc codej01ee06 (who) (with sulfadiazine)identifiers iupac name 5-pyrimidine-2,4-diamine cas number53808-87-0 ypubchem cid65450chemspider58910 nunii5r6712ay0kkeggd06097 ychemblchembl32039 ncomptox dashboard (epa)dtxsid80202085 echa infocard100.053.427 chemical and physical dataformulac16h22n4o4molar mass334.376 g·mol−13d model (jsmol)interactive image smiles coccoc1=c(c=c(c=c1oc)cc2=cn=c(n=c2n)n)oc inchi inchi=1s/c16h22n4o4/c1-21-4-5-24-14-12(22-2)7-10(8-13(14)23-3)6-11-9-19-16(18)20-15(11)17/h7-9h,4-6h2,1-3h3,(h4,17,18,19,20) nkey:wswjizxmauyhoe-uhfffaoysa-n n ny (what is this?) (verify) its chemical formula is c=16 | h=22 | n=4 | o=4.