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Bigot Scharfe & Co
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Bigot Scharfe & Co
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Application filed by Bigot Scharfe & CofiledCriticalBigot Scharfe & Co
Application grantedgrantedCritical
Publication of FR674507ApublicationCriticalpatent/FR674507A/fr
C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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Chemical & Material Sciences
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Organic Chemistry
(AREA)
FR674507D1929-05-031929-05-03Procédé d'extraction continue de la nicotine du tabac
ExpiredFR674507A
(fr)