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Application filed by Ec Chemical Ind Co Ltd, Itoh C & Co LtdfiledCriticalEc Chemical Ind Co Ltd
Publication of BE879012ApublicationCriticalpatent/BE879012A/fr
C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
C07D493/04—Ortho-condensed systems
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
BE197326A1978-11-291979-09-26Procede de preparation de dibenzylidene-sorbitol et composition en contenant
BE879012A
(fr)