2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-[3-(trifluoromethyl)bicyclo[1.1.1]pentan-1-yl]acetic acid 1g

2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-[3-(trifluoromethyl)bicyclo[1.1.1]pentan-1-yl]acetic acid 1g