[(2S,3S,4R)-3,4-diacetyloxy-1-(2,4-dioxo-8-phenylmethoxypyrimido[4,5-b]quinolin-10-yl)-5-hydroxypentan-2-yl] acetate 、
L-lactyl-α-L-glutamyl-L-glutamic acid tribenzyl ester 生成 dibenzyl (2R)-2-[[(2R)-5-oxo-5-phenylmethoxy-2-[[(2R)-2-[[(2R,3S,4S)-2,3,4-triacetyloxy-5-(2,4-dioxo-8-phenylmethoxypyrimido[4,5-b]quinolin-10-yl)pentoxy]-(2,2,2-trichloroethoxy)phosphoryl]oxypropanoyl]amino]pentanoyl]amino]pentanedioate