[H] [C@@] 12 C [C@@H] (C) [C@] (O) (C (= O)有限公司)(C@@) 1 (C) C [C@H] (O) [C@@] 1 [H] [C@@] 2 [C@H] ([H]) (Cl) CC2 = CC (= O) C = C [C@] 12 C

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