(1R,2R)-2-Methylcyclopropanecarboxylic Acid, is an intermediate used for the synthesis of (1R,2R)-trans-1-(Chloromethyl)-2-methylcyclopropane (C369820). It can also be used for the preparation of Luzopeptin VIP(LA)C and Quinoxapeptin VIP(LA)C, acting as potent inhibitors of HIV-1 reverse transcriptase.