Assertion: lignin's structure | /r/HasProperty | oh ii
Facets:
Source sentences:
text: The four structures of phenolic hydroxyl groups (namely [OH I ], [OH II ], [OH III ], and [OH IV ]) in lignin are presented in Fig. 2.
text: The four structures of phenolic hydroxyl groups (namely [OH I ], [OH II ], [OH III ], and [OH IV ]) in lignin are presented in Fig. 2.