2-氨基-6,7-二氢-5H-环戊[d]嘧啶-4-醇

2-[2-[(4-fluorophenyl)methylsulfanyl]-4-oxo-6,7-dihydro-5H-cyclopenta[d]pyrimidin-1-yl]acetic acid

1,2,3,5,6,7-六氢-2-硫氧代-4H-环戊并嘧啶-4-酮

1-环戊烯羧酸

2-甲基环戊酮