ZA715700B - Bis-4-oxo-4h-1-benzopyran-2-yl-tetrazoles - Google Patents

Bis-4-oxo-4h-1-benzopyran-2-yl-tetrazoles

Info

Publication number
ZA715700B
ZA715700B ZA715700A ZA715700A ZA715700B ZA 715700 B ZA715700 B ZA 715700B ZA 715700 A ZA715700 A ZA 715700A ZA 715700 A ZA715700 A ZA 715700A ZA 715700 B ZA715700 B ZA 715700B
Authority
ZA
South Africa
Prior art keywords
tetrazoles
benzopyran
oxo
bis
Prior art date
Application number
ZA715700A
Inventor
J Augstein
J King
H Cairns
D Hunter
Original Assignee
Fisons Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB3082871A external-priority patent/GB1356379A/en
Application filed by Fisons Ltd filed Critical Fisons Ltd
Publication of ZA715700B publication Critical patent/ZA715700B/en

Links

ZA715700A 1970-08-27 1971-08-26 Bis-4-oxo-4h-1-benzopyran-2-yl-tetrazoles ZA715700B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3082871A GB1356379A (en) 1970-08-27 1970-08-27 Tetrazole derivatives

Publications (1)

Publication Number Publication Date
ZA715700B true ZA715700B (en) 1972-05-31

Family

ID=10418702

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715700A ZA715700B (en) 1970-08-27 1971-08-26 Bis-4-oxo-4h-1-benzopyran-2-yl-tetrazoles

Country Status (1)

Country Link
ZA (1) ZA715700B (en)

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