1. 拉坦前列腺素杂质4(拉坦前列腺素(1S,2R,3R,5S)-异构体)

拉坦前列腺素杂质4(拉坦前列腺素(1S,2R,3R,5S)-异构体)

Tafluprost Impurity 4 (Tafluprost (1S,2R,3R,5S)-Isomer)