C21H20N4O5S
Neat
440.47
2135790-65-5; Raltitrexed Impurity 21; (S)-N-(2, 6-dioxotetrahydro-2H-pyran-3-yl)-5-(methyl((2-methyl-4-oxo-3 and 4-dihydroquinazolin-6-yl)methyl)amino)thiophene-2-carboxamide
N-[(3S)-2 and 6-dioxooxan-3-yl]-5-[methyl-[(2-methyl-4-oxo-3H-quinazolin-6-yl)methyl]amino]thiophene-2-carboxamide
InChI=1S/C21H20N4O5S/c1-11-22-14-4-3-12(9-13(14)19(27)23-11)10-25(2)17-7-6-16(31-17)20(28)24-15-5-8-18(26)30-21(15)29/h3-4,6-7,9,15H,5,8,10H2,1-2H3,(H,24,28)(H,22,23,27)/t15-/m0/s1