2,2,2'''',2''''-tetraphenyltetraspiro[cyclopropane-1,1'-naphthalene-4',1''-cyclobutane-3'',1'''-naphthalene-4''',1''''-cyclopropane]

三苯基磷

三苯基氧化膦

1-methoxy-4-[methoxy(diphenyl)methyl]naphthalene

1-ethoxy-4-[ethoxy(diphenyl)methyl]naphthalene