Table 3. Base-promoted isomerization of glycerol-derived polyesters.

Entry	Polymer	Initial% 1,2 a	Final% 1,2 a
1	PGS	7	20
2	PGD	5	22
3	PGA	3	32
4	PGI	15	21
5	PGT	13	21

^aDetermined by quantitative ¹³C NMR spectroscopy.