| http://www.w3.org/ns/prov#value | - 10 alkyl; ???CO???O???C1-10 alkyl; ???N3; -aryl; -heteroaryl; -heterocyclyl; ???CO-aryl; and ???CO-heteroaryl; R3 is ???O or ???S; R4 is alkyl or alkenyl, which may be interrupted by one or more ???O??? groups; each R5 is independently H or C1-10 alkyl; R6 is a bond, or is alkyl, or alkenyl, which may be interrupted by one or more ???O??? groups; R7 is H or C1-10 alkyl which may be interrupted by
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