22053-75-4
5-formylbenzonaphtho<2,1-d>thiophene

76113-35-4
5-acetylbenzonaphtho<2,1-d>thiophene

76113-28-5
5-bromobenzonaphtho<2,1-d>thiophene

97367-00-5
S,S-dioxybenzonaphtho<2,1-d>thiophene-5-carboxylic acid chloride

76113-34-3
5-chloromethylbenzonaphtho<2,1-d>thiophene