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Table 1 Comparative NMR data of 1-Methylhydantoin

From: Anti-leukemia activity of semi-synthetic phenolic derivatives from Polygonum limbatum Meisn.

Position

Compound C 1-Methylhydantoin

Reference data (7)

1H (MeoD) (75 MHz)

13C (MeoD) (75 MHz)

1H DMSO (100 MHz)

-CH3

2.91(s)

53.9

2.80(s)

-CH2

3.95(s)

29.2

3.86(s)

-NH-

-

-

10(br s)

C2=O

-

159.9

-

C4=O

-

173.8

-