21413-70-7
(6E)-6-hydroxyimino-8,9-dihydro-7H-benzo[7]annulen-5-one
→
28237-14-1
9,10-二氢-2-甲基-4H-苯并[5,6]环庚三烯并[1,2-d]噁唑-4-醇
21413-71-8
2-methyl-9,10-dihydro-benzo[5,6]cyclohepta[1,2-d]oxazol-4-one