The invention relates to a compound according to the following general formula (I), in which: m represents an integer equal to 5, 6 or 7; n and n.sup.1 represent an integer from 1 to 5; the A groups represent, in particular, a hydrogenated atom; X represents O or S; Y represents, in particular, a group NR.sub.1, R.sub.1, representing, in particular, a hydrogenated atom; W represents CH or N; and Z represents, in particular, a hydrogenated atom.

 
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> VARIANTS OF VASCULAR ENDOTHELIAL CELL GROWTH FACTOR, THEIR USES, AND PROCESSES FOR THEIR PRODUCTION

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