63040-54-0
dibenzo[b,def]chrysene-7-carbaldehyde
→
63040-57-3
14-methyl-dibenzo[b,def]chrysene-7-carbaldehyde
189-64-0
3,4:8,9-二苯并芘
5174-22-1
ethyl 4-acetyl-5-(dichloromethyl)-3-methyl-1H-pyrrole-2-carboxylate