hydroxyl group (羥基，氫氧基)

hydroxyl group

羥基

hydroxyl group (羥基)

羥基 (hydroxyl group)

hydroxyl group

羥基, 氫氧基

hydroxyl group (羥基, 氫氧基)

羥基, 氫氧基 (hydroxyl group)

hydroxyl group

氫氧基

hydroxyl group (氫氧基)

氫氧基 (hydroxyl group)

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