| 181 |
Steroido[20, 21-c]pyrazoles and intermediates |
US43759065 |
1965-03-05 |
US3317520A |
1967-05-02 |
CLINTON RAYMOND O |
|
| 182 |
21-heterocyclic carboxylic acid esters of pregnanes |
US40866064 |
1964-11-03 |
US3314854A |
1967-04-18 |
JOACHIM HEIDER; DIETRICH JERCHEL |
|
| 183 |
Steroido[21, 20-d]isoxazoles |
US43758465 |
1965-03-05 |
US3313809A |
1967-04-11 |
CLINTON RAYMOND O; JOHN MANSON ANDREW |
|
| 184 |
Estra-2, 5(10)-diene-3-enoltetrahydropyranylethers |
US43120765 |
1965-02-08 |
US3313808A |
1967-04-11 |
DE RUGGIERI PIETRO; CARMELO GANDOLFI |
|
| 185 |
Process for the preparation of 3-amino-delta1, 3, 5(10)-estratrienes and 19-nor-delta1, 3, 5(10)-pregnatrienes |
US43908165 |
1965-03-11 |
US3294784A |
1966-12-27 |
FRANCISCO ALVAREZ |
|
| 186 |
1, 11-iminoestratetraenes |
US36219464 |
1964-04-23 |
US3282928A |
1966-11-01 |
WARREN CANTRALL EDWARD; BROWN CONROW RANSOM; SEYMOUR BERNSTEIN |
|
| 187 |
2-aminomethylene-3-oxo steroids and preparation thereof |
US488260 |
1960-01-27 |
US3265686A |
1966-08-09 |
CLINTON RAYMOND O |
|
| 188 |
Process for preserving yeast with 11beta-hydroxy-11(2-pyridylmethyl)pregnane-3, 20-dione |
US27552763 |
1963-04-25 |
US3251734A |
1966-05-17 |
FONKEN GUNTHER S |
|
| 189 |
Steroid enamines |
US80543659 |
1959-04-10 |
US3192201A |
1965-06-29 |
PIETER WESTERHOF |
|
| 190 |
Lower alkyl-3(n-pyrrolidyl)-12alpha-fluorodelta3, 5, 17(20)-pregnatrienes and process for the production thereof |
US85422259 |
1959-11-20 |
US3035048A |
1962-05-15 |
JOSEF FRIED; DIASSI PATRICK A |
|
| 191 |
Novel estradiene and preparation thereof |
US14874861 |
1961-10-30 |
US3033856A |
1962-05-08 |
GERARD NOMINE; ROBERT BUCOURT |
|
| 192 |
9alpha-halo-11alpha-alkyl-11beta-hydroxy steriods of the androstane series and intermediates therefor |
US70093557 |
1957-12-06 |
US3001990A |
1961-09-26 |
THOMAS GORDON H; JOSEF FRIED |
|
| 193 |
4, 17alpha-dimethyl-9alpha-fluoro-11-oxygenated testosterones |
US73901058 |
1958-06-02 |
US2990400A |
1961-06-27 |
BABCOCK JOHN C; PEDERSON RAYMOND L |
|
| 194 |
New steroids substituted by a heterocyclic nitrogen-containing ring in 17-position |
US68736957 |
1957-10-01 |
US2938030A |
1960-05-24 |
KARL HOFFMANN; JULES HEER |
|
| 195 |
Quaternary steroidal enamine salts |
US49662555 |
1955-03-24 |
US2886564A |
1959-05-12 |
HOLYSZ ROMAN P |
|
| 196 |
Steroidal thiazole derivatives |
US46621454 |
1954-11-01 |
US2793207A |
1957-05-21 |
RALLS JACK W; BERGSTROM CLARENCE G |
|
| 197 |
Steroid production |
US55081855 |
1955-12-05 |
US2781343A |
1957-02-12 |
MAGERLEIN BARNEY J; HOGG JOHN A |
|
| 198 |
Steroid enamines |
US28854652 |
1952-05-17 |
US2781342A |
1957-02-12 |
HERR MILTON E; HEYL FREDERICK W |
|
| 199 |
Diketopregnanespirothiazolidine |
US53323655 |
1955-09-08 |
US2776967A |
1957-01-08 |
FONKEN GUNTHER S; HOGG JOHN A |
|
| 200 |
Oxidation of delta20(22)-22-tertiary amino steroids |
US27484052 |
1952-03-04 |
US2752368A |
1956-06-26 |
HOLYSZ ROMAN P |
|
