Pemetrexed Impurity 30

Chemical Name: Dimethyl ((4S)-4-(4-(2-(2-amino-4-oxo-4a,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-5-oxopentanoyl)-L-glutamate 4-methylbenzenesulfonate

Smile: O=C(OC)CC[C@@H](C(OC)=O)NC(CC[C@H](NC(C1=CC=C(CCC2=CNC(C32)=NC(N)=NC3=O)C=C1)=O)C(OC)=O)=O.O=S(C4=CC=C(C)C=C4)(O)=O