2523-44-6
2-氯芴
→
6957-61-5
2-Amino-7-chlor-5-phenyl-3H-1,4-benzodiazepin-4-oxyd
6939-05-5
2-氯-7-硝基芴
86-73-7
芴
6957-60-4
2-chloro-7-nitrofluoren-9-one