(E)-2-(4-(4-Chlorobenzyl)-7-fluoro-5-(methylsulfonyl)-1,2-dihydrocyclopenta[b]indol-3(4H)-ylidene)acetic acid 1g

(E)-2-(4-(4-Chlorobenzyl)-7-fluoro-5-(methylsulfonyl)-1,2-dihydrocyclopenta[b]indol-3(4H)-ylidene)acetic acid 1g