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. Author manuscript; available in PMC: 2022 Feb 27.
Published in final edited form as: DNA Repair (Amst). 2020 Dec 24;98:103029. doi: 10.1016/j.dnarep.2020.103029

Scheme 9.

Scheme 9.

Reversible generation of imine and carbinolamine ICLs from propano-2’- deoxyguanosine (PdG) adducts at 5’CG sequences in duplex DNA and conversion to chemically-stable trimethylene-type ICLs by the reducing agent sodium cyanoborohydride (NaBH3CN).