In this task, you are given a sentence. You are expected to recognize the name of any form of chemical substances. Although there might be several correct answers, you need to write one of them.

Example Input: The ability of sorafenib to inhibit oncogenic PDGFRbeta and FLT3 mutants and overcome resistance to other small molecule inhibitors.
Example Output: sorafenib

Example Input: In vivo and in vitro anti-inflammatory potential of pentahydroxy-pregn-14-ol, 20-one--d-thevetopyranoside in rats.
Example Output: pentahydroxy-pregn-14-ol, 20-one--d-thevetopyranoside

Example Input: Binding of (-)-[3H]-CGP12177 at two sites in recombinant human beta 1-adrenoceptors and interaction with beta-blockers.
Example Output:
(-)-[3H]-CGP12177