| Patents for C07D 409 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms (52,226) |
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| 05/04/1976 | US3954764 Dibenzo [b,f]thiepins bearing piperazinyl substitution |
| 04/27/1976 | US3953446 Process for preparing quinazolines |
| 04/20/1976 | US3951992 4-Thenyl-or furyl-6-amino-3,4-dihydropyrid-2-one-3,5-dicarboxylic acid ester |
| 04/20/1976 | US3951991 Coronary agents, hypotensive |
| 04/20/1976 | US3951990 4-Aryl or hetero-6-amino-3,4-dihydropyrid-2-one-3,5-dicarboxylic acid ester |
| 04/20/1976 | US3951961 Xanthene and thioxanthene derivatives, compositions thereof and a method of preparation thereof |
| 04/13/1976 | US3950526 Quinazoline derivatives in pharmaceutical compositions for treating pain and inflammation |
| 03/23/1976 | US3946026 2-Amino-1,4-dihydropyridine derivatives |
| 03/16/1976 | US3944551 N-Coumaranyl and chromanyl -methyl-or sulfur analogs thereof-N'- thiazolyl piperazines |
| 03/02/1976 | US3941804 1-Heteroarylsulphonyl-2-imino-imidazolidines |
| 03/02/1976 | US3941795 α-ARYL-4-SUBSTITUTED PIPERIDINOALKANOL DERIVATIVES |
| 02/17/1976 | US3939178 Certain pyrano [3,4-b]indoles and thiopyrano[3,4-b]indoles |
| 02/17/1976 | US3939171 Hypotensive, vasodilation |
| 02/17/1976 | US3938994 Pyrylium dyes for electrophotographic composition and element |
| 02/10/1976 | US3937717 Analgesics, hypotensive agents |
| 01/27/1976 | US3935223 2-Amino-1,4-dihydropyridine derivatives |
| 01/27/1976 | US3935213 Process for hypotensive 4-amino-2-(piperazin-1-yl) quinazoline derivatives |
| 01/20/1976 | US3933845 Benzopyranyltetrazoles |
| 01/20/1976 | US3933844 Asthma |
| 01/13/1976 | US3932431 Certain 2-[α(2-pyridyl)-benzyl] imidazolines and derivatives thereof |
| 01/13/1976 | US3932389 Antiulcer agents |
| 01/06/1976 | US3931197 Substituted piperidine derivatives |
| 01/06/1976 | US3931194 2-Heteroaryl-methyl)-5,9β-dialkyl-6,7-benzomorphans and salts thereof |
| 01/06/1976 | US3931176 Hydroxyalkyl substituted-4,5-dihydropyridazin(2H)-3-ones |
| 01/06/1976 | US3931155 Anticoagulant |
| 01/06/1976 | US3931153 Bactericide |