2'-Carboxy-5-chloro-2,4-dihydroxybenzophenone 、
三氟乙酸 、
4-{2-[7-(bis-tert-butoxycarbonylmethyl-amino)heptyl]-5-methoxyphenyl}piperazine-1-carboxylic acid tert-butyl ester 反应 120.0h,
生成 2-{7-[7-(carboxymethyl-amino)-heptyl]-2-chloro-3-oxo-6-piperazin-1-yl-3
H-xanthen-9-yl}-benzoic acid 、 2-{7-[7-(bis-carboxymethyl-amino)heptyl]-2-chloro-3-oxo-6-piperazine-1-yl-3H-xanthen-9-yl}benzoic acid bis(trifluoroacetate)