7 methylidyne 5 oxo flow fusion nahutopiran

摘要

(57) Abstract This invention has the substituent of the genus which is 2 rank of pyrane ring, new 7 - the methylidyne - 5 - oxo - flow it regards the nahutopiran chemical compound which is fused. This invention contains this nahutopiran chemical compound, or discloses also the polymer organicity host material canning with nahutopiran chemical compound.