trans-5-phenyl-4-pentenal

3-(2-氧代-1-苯基环戊基)丙酸

2-氧代-3-苯基环戊烷羧酸乙酯

4-苯甲酰基丁酸

2,4-dichloro-7-phenyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine