(5Br-UMP)
(5Br-UTP)
(5Br-dUMP)
(5Br-dUDP)
(5F-UMP)
(5F-UTP)
(5F-dUMP)
(5F-dUTP)
(2'F-dUTP)
(5I-UMP)
(5I-UDP)
(5I-UTP)
(5I-dUMP)
(5I-dUTP)
(5Br-dUTP)