CAS 153512-22-2 3-[1-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-2,4-dioxopyrimidin-5-yl]-N-[2-[(2,2,2-trifluoroacetyl)amino]ethyl]prop-2-enamide (HCID 178595582)|化工社