 DEVON, Pa., March 04, 2021 GLOBE NEWSWIRE -- Zynerba Pharmaceuticals, Inc. Nasdaq: ZYNE, the leader in innovative pharmaceutically-produced transdermal cannabinoid therapies for rare and near-rare neuropsychiatric disorders, today announced that Company management will participate in the 33rd Annual ROTH Conference, which will be held virtually on March 15-17, 2021. 