7-(4-methoxyphenyl)-2,5-diphenyl-[1,3]oxazolo[5,4-b]pyridine

7-(p-methoxyphenyl)-2,5-diphenyl-6,7-dihydrooxazolo[5,4-b]pyridine

2-phenyl-1,8-dihydrocyclohepta[b]pyrrole

三苯基氧化膦

1,5-二苯基-1,5-戊二酮