Qrons (QRON) 10-K 2017 FY Annual report

Exhibit 10.10

FIRST AMENDMENT TO 8% CONVERTIBLE DEBENTURE:

This First Amendment to the 8% Convertible Debenture dated September 1, 2016 made by BioLabMart Inc., now known as Qrons Inc. (the "Company") for the benefit of CubeSquare LLC in the amount of $10,000 (the "Debenture") hereby amends the Debenture as follows:

1) All references in the Debenture to ""BioLabMart Inc. shall be deleted and replaced with "Qrons Inc."

2)The maturity date of the Debenture is hereby amended to September 1, 2018.

3) Section 2.1 (c) of the Debenture is hereby deleted in its entirety.

Except as amended hereby all of the terms and conditions of the Debenture shall remain in full force and effect.

Dated this 28^th day of September 2017

Qrons Inc.

By: /s/Jonah Meer

Chief Executive Officer

ACKNOWLEDGED AND AGREED:

CubeSquare LLC

By: /s/Jonah Meer

Managing Member