Figure 2:
1H-NMR (CDCl
3
at 300 Hz) d 5.2 (m, (OCH(CH
3
) C(O)OCH
2
C(O) n-(CH
2
CH
2
O)m), 4.8 (m, (OCH(CH
3
)C(O) OCH
2
C(O)n-(CH
2
CH
2
O) m), 3.7 (s, (OCH(CH
3
)C(O)OCH
2
C(O) n-(CH
2
CH
2
O)m), 1.6 (d, (OCH(CH
3
)C(O)OCH
2
C(O)) n-(CH
2
CH
2
O)m.