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We are pleased to introduce version 6.6 of our ChemDoodle 3D software. This update is free for all ChemDoodle subscriptions, Lifetime and Site licenses. Licenses are as little as $15, and we have a free trial available at: https://www.chemdoodle.com/3d

Major new features include the ability to perform full scene modeling simulations, an implementation of the FIRE optimizer, 3D molecular structure alignment, improved bond deduction with new bond order perception algorithms, and more.