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Inventor: Hiroko Yamazaki

Address: Osaka, JP
No. of patents: 1
Last patent issue date: 12/11/1990

Number	Title	Issue Date
4976775	Plant male sterilant A plant male sterilant which comprises as an active ingredient an effective amount of a threonine derivative having the formula (I): ##STR1## where R1 is a C1 to C2 alkyl group; R2 is a hydrogen atom, a C	12/11/1990