2520-91-4 5220-94-0 BENZYLAMINE, o-CHLORO-N-METHYL-N-2-PROPYNYL-, HYDROCHLORIDE Benzenemethanamine, 2-chloro-N-methyl-N-2-propynyl-, hydrochloride (9CI) Chlorzymine hydrochloride N-(o-Chlorobenzyl)-N-methyl-2-propynylamine hydrochloride o-Chloro-N-methyl-N-2-propynylbenzylamine hydrochloride