92961-04-1
2,7-dichloro-4-nitro-9H-fluorene
→
37568-11-9
2,7-dichloro-4-nitrofluoren-9-one
7012-16-0
2,7-二氯芴
37558-69-3
4-amino-2,7-dichloro-9H-fluoren-9-ol