... Synthesis of Alkylenebis- (thiourea) Derivatives and Their Related Compounds TAKAHRo YABUUcHI, MAsAKATU HIsAKI, MAsAHIRo MATUDA, and RYUICHI KIMURA Research ... and1,1^-dialkyl-or1。1′-diaryl-6.6'-alkylene-bis(thioureas) 1)PartTV:T.Yabuuchi,M.Hisaki,and ...