数控(= O) C1 = CN (C = CC1) [C@@H] 1 O [C@H] (CO (P@) (O) (= O) O (P@) (O) (= O) OC (C@H) 2 O [C@H] ([C@H] (O) [C@@H] 2 O) N2C = NC3 = C (N) N = CN = C23) [C@@H] (O) [C@H] 1 O

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