tert-butyl 1-(2-bromo-6-(4-(pyridin-2-yl)piperazin-1-yl)-7H-indeno[2,1-c]quinolin-7-ylideneaminooxy)-3-(3-fluorophenyl)-1-oxopropan-2-ylcarbamate
tert-butyl 1-((2-bromo-6-(4-(pyridin-2-yl)piperazin-1-yl)-7H-indeno[2,1-c]quinolin-7-ylideneaminooxy)carbonyl)cyclopentylcarbamate