5462-82-8
phenanthrene-4,5-dicarboxylic acid
→
~40%
23702-49-0
2-环己烯-1-酮,5-甲基-2-(1-甲基乙基)-, 肟, (1E,5R)-
42156-92-3
phenanthrene-4-carboxylic acid
~20%