prov:value
| - a, wherein e is an integer of 0 to 2, or the one represented by the following formula (4), wherein R16 is a hydrogen atom or a methyl group, R17 is an ethylene group or a propylene group, f is an integer of 0 to 10, g is 0 or 1, and a bonding hand is represented when g is 0, h is an integer of 0 to 2, R18 is a hydrogen atom, a hydroxymethyl group or an alkyl group such as methyl group or ethyl gro
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