4-acetyl-5-methyl-1H-pyrrole-2-carbaldehyde

acetic acid 10-oxo-9,10-dihydro-anthracen-9-yl ester

9,10-蒽二乙酸酯

9,9,10-triacetoxy-9,10-dihydro-anthracene

2-硝基苯基乙酸酯