Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332811 | Etopside analogs | Xiao-Ming Zhou, Zhe Wang, Jang-Yang Chang, Hong-Xing Chen, Yung-Chi Cheng +4 more | 1994-07-26 |
| 5300500 | 4 beta-amino podophyllotoxin analog compounds and methods | Yung-Chi Cheng, Yi Zhang | 1994-04-05 |