| 英文名称: | | 1h,3h-pyrano(3,4-c)pyran-1-one, 4,4a-beta,5,6-tetrahydro-6-alpha-hydroxy-5-alph | | a-vinyl- | | 6-alpha-hydroxy-5-alpha-vinyl-4,4a-beta,5,6-tetrahydro-1h,3h-pyrano(3,4- c)py | | ran-1-one | | sweroside aglycone | | 3h-pyrano(3,4-c)pyran-1-one,4,4a-beta,5,6-tetrahydro-6-alpha-hydroxy-5-alpha-vinyl-1 |
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