上游原料
2-(7-Chloro[1,8]naphthyridin-2-yl)-3-hydroxy-1-isoindolinonetert-butyl 2-(triphenyl-lambda(5)-phosphanylidene)acetate; (tert-Butoxycarbonylmethylene)triphenylphosphoranetert-butyl 2-[2-(7-chloro[1,8]naphthyridin-2-yl)-3-oxo-2,3-dihydro-1H-isoindol-1-yl]acetate2-[2-(7-chloro[1,8]naphthyridin-2-yl)-3-oxo-2,3-dihydro-1H-isoindol-1-yl]acetic acid1,4-Dioxa-8-azaspiro[4.5]decane; 4-Piperidone ethylene ketal