Patent search ap:("LITTLE INC A") AND inv:"LYLE ROBERT E JR" Page 1

1.

发明授权
1,4-ethano-5h-(1)benzopyrano (3,4-b)pyridines 失效
Title translation: 1,4-ETHANO-5H-（1）苯甲酰（3,4-B）吡啶

公开(公告)号：US3493579A

公开(公告)日：1970-02-03

申请号：US3493579D

申请日：1967-05-29

Applicant: LITTLE INC A

Inventor： LYLE ROBERT E JR , RAZDAN RAJ K , GRANCHELLI FELIX E , PARS HARRY G

IPC: C07D491/14 , C07D99/04 , A61K27/00

CPC classification number: C07D491/14

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