| http://www.w3.org/ns/prov#value | - ???(C3-C6)cycloalkyl group??? refers to an alicyclic alkyl group having 3 to 6 carbon atoms, such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl or the like. ???The 4- to 7-membered ring which may contain one or two same or different atoms selected from oxygen, sulfur and nitrogen atoms, which is formed by bonding of R1 to A1 or by bonding of R2 to A1??? can be exemplified by cyclobutane ring
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