 
- 
                        Urea,
N-[4-[1-[(2,6-difluorophenyl)methyl]-1,2,3,4-tetrahydro-5-[[(2-methoxyeth
yl)methylamino]methyl]-3-(6-methoxy-3-pyridinyl)-2,4-dioxothieno[2,3-d]
pyrimidin-6-yl]phenyl]-N'-ethyl-CAS:577780-36-0Formula:C33H34F2N6O5S 
                     
- 
                        Urea,
N-[4-[1-[(2,6-difluorophenyl)methyl]-1,2,3,4-tetrahydro-5-[[(2-methoxyeth
yl)methylamino]methyl]-3-(2-methoxy-3-pyridinyl)-2,4-dioxothieno[2,3-d]
pyrimidin-6-yl]phenyl]-N'-ethyl-CAS:577781-73-8Formula:C33H34F2N6O5S 
                     
- 
                        Urea,
N-[4-[1-[(2,6-difluorophenyl)methyl]-1,2,3,4-tetrahydro-5-[[(2-methoxyeth
yl)methylamino]methyl]-3-(3-methoxy-2-pyridinyl)-2,4-dioxothieno[2,3-d]
pyrimidin-6-yl]phenyl]-N'-ethyl-CAS:577781-89-6Formula:C33H34F2N6O5S