polypropylene oxide
http://purl.jp/bio/4/id/200906057115705634
http://purl.jp/bio/4/id/200906078600618054
http://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=200906057115705634
http://purl.jp/bio/4/subject/CC19
http://purl.jp/bio/4/subject/LS_ur_c/OWLClass_00000000000000000384