Often a Lewis acid like a metal triflate, or a Br?nsted acid like hydrochloric acid (HCl).
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N-benzyl-N-(naphthalen-2-ylethynyl)methanesulfonamide
2-(4-fluorophenyl)-3-(3-methoxyphenyl)thiazolidin-4-one
trans-5-(iodomethyl)-3-phenyldihydrofuran-2(3H)-one
1-PHENOXY-3-PIPERAZINOPROPAN-2-OL
TVB-2640
phenyl-acetic acid-(2-formyl-phenyl ester)
