POWER OF ATTORNEY

       Known by all those present, that Saiid Zarrabian hereby constitutes
and appoints Scott Praill as his true and lawful attorney-in-fact with respect
to DelMar Pharmaceuticals, Inc. to:

      (1) prepare, execute in the undersigned's name and on the
      undersigned's behalf, and submit to the U.S. Securities and Exchange
      Commission (the "SEC") a Form ID, including amendments thereto, and any
      other documents necessary or appropriate to obtain codes and passwords
      enabling the undersigned to make electronic filings with the SEC of
      reports required by Section 13 and 16(a) of the Securities Exchange Act of
      1934, or any rule or regulation of the SEC;

      (2) execute for and on behalf of the undersigned Schedules 13D and
      13G, and Forms 3, 4 and 5 in accordance with Sections 13 and 16(a) of the
      Securities Exchange Act of 1934 and the rules thereunder;

      (3) do and perform any and all acts for and on behalf of the
      undersigned which may be necessary or desirable to complete and execute
      any such Schedules 13D or 13G, and Forms 3, 4, and 5, complete and execute
      any amendment or amendments thereto, and timely file such form with the
      SEC and any stock exchange or similar authority; and

      (4) take any other action of any type whatsoever in connection with
      the foregoing which, in the opinion of such attorney-in-fact, may be of
      benefit to, in the best interest of, or legally required by, the
      undersigned, including without limitation the execution and filing of a
      Form 4 with respect to a transaction which may be reported on a Form 5, it
      being understood that the documents executed by such attorney-in-fact on
      behalf of the undersigned pursuant to this Power of Attorney shall be in
      such form and shall contain such terms and conditions as such attorney-in-
      fact may approve in such attorney in fact's discretion.

      The undersigned hereby grants to attorney-in-fact full power and authority
to do and perform any and every act and thing whatsoever requisite, necessary,
or proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned might or could
do if personally present, with full power of substitution or revocation, hereby
ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's designated substitute or substitutes, shall lawfully do or
cause to be done by virtue of this Power of Attorney and the rights and powers
herein granted. The undersigned acknowledges that the foregoing attorney-in-
fact, in serving in such capacity at the request of the undersigned, is not
assuming any of the undersigned's responsibilities to comply with Sections 13
and 16 of the Securities Exchange Act of 1934, as amended, and the rules
thereunder.

      This Power of Attorney shall remain in full force and effect until revoked
by the undersigned in a signed writing delivered to the foregoing
attorney-in-fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
 to be executed as of this 12 day of September, 2019.


                                    /s/ Saiid Zarrabian
                                    ----------------------
                                    Name: Saiid Zarrabian