prov:value
| - h oxetanyl: wherein, R1 is a halogen, ???CN, ???NCS, ???OCF3, ???OCF2H, C2-30 alkenyl or C1-30 alkyl, wherein any ???CH2??? in the alkenyl or alkyl group may be replaced with ???O??? or ???S???; R2 is independently hydrogen, a halogen or C1-5 alkyl, wherein any hydrogen in the group may be replaced with a halogen; R3 is independently a halogen or C1-5 alkyl, wherein any hydrogen in the group may b
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