e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
The Journal of organic chemistry
A New Route to 7-Substituted Derivatives of N-{4-[2-(2-Amino-3, 4-dihydro-4-oxo-7 H-pyrrolo [2, 3-d] pyrimidin-5-yl)-ethyl] benzoyl}-l-glutamic Acid [ALIMTA ( …
EC Taylor, B Liu
Index: Journal of Organic Chemistry, , vol. 66, # 11 p. 3726 - 3738