2-Chloro-N-methyl-N-(2-propynyl)benzenemethanamine 2520-91-4 34535-86-9 5220-94-0 Benzenemethanamine, 2-chloro-N-methyl-N-(2-propynyl)- Benzylamine, o-chloro-N-methyl-N-2-propynyl- Chlorzymine