Molecular structure of Nolatrexed (CAS NO.147149-76-6) is:

Product Name: Nolatrexed
CAS Registry Number: 147149-76-6
IUPAC Name: 2-amino-6-methyl-5-pyridin-4-ylsulfanyl-1H-quinazolin-4-one
Molecular Weight: 284.33628 [g/mol]  
Molecular Formula: C₁₄H₁₂N₄OS  
XLogP3: 1.6  
H-Bond Donor: 2  
H-Bond Acceptor: 4
Index of Refraction: 1.747 
Molar Refractivity: 78.97 cm³ 
Molar Volume: 194.3 cm³
Surface Tension: 61.7 dyne/cm 
Density: 1.46 g/cm³ 
Flash Point: 252.3 °C 
Enthalpy of Vaporization: 76.08 kJ/mol 
Boiling Point: 493.6 °C at 760 mmHg 
Vapour Pressure: 6.94E-10 mmHg at 25 °C 
Classification Code: Antimetabolites ;Antimetabolites, Antineoplastic ;Antineoplastic Agents ;Enzyme Inhibitors ;Folic Acid Antagonists ;Noxae
Canonical SMILES: CC1=C(C2=C(C=C1)NC(=NC2=O)N)SC3=CC=NC=C3
InChI: InChI=1S/C14H12N4OS/c1-8-2-3-10-11(13(19)18-14(15)17-10)12(8)20-9-4-6-16-7-5-9/h2-7H,1H3,(H3,15,17,18,19) 
InChIKey: XHWRWCSCBDLOLM-UHFFFAOYSA-N

 Nolatrexed , its cas register number is 147149-76-6. It also can be called Nolatrexed [INN] ; 2-Amino-6-methyl-5-(4-pyridylthio)-4(3H)-quinazolinone .It is a thymidylate synthase inhibitor.