上游原料
TolueneMethyl(triphenyl)phosphonium bromide2,5-dichloro-2,5-dimethylhexane1,1,4,4,6-pentamethyl-1,2,3,4-tetrahydronaphthalenemethyl 6-(chlorocarbonyl)nicotinatemethyl 6-[(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-2-naphthalenyl)carbonyl]nicotinatemethyl 6-[1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-2-naphthalenyl)vinyl]nicotinatemethyl 6-[1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-2-naphthalenyl)cyclopropyl]nicotinate