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3,6,8,13,20,(),51A.31B.28C.42D.32
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3,6,8,13,20,(),51 A.31B.28C.42D.32
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2,3,6,15,() A.20 B.24 C.32 D.42
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2, 3, 6, 15, ()。A.32 B.42 C.52 D.62
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3, 6, 8, 13, 20, (), 51 A.31 B.28 C.42 D.32
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1,2,4,3,8,6,16,10,() A.15 B.16 C.24 D.32
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单萜的通式为()A.C5H10B.C10H16C.C15H24D.C20H32E.C30H42