1 2 3-pentanediol July 8, 2019 16 32 64 128 2 2 4-trimethyl-1 3 pentanediol 1 3 pentanediol 2 methyl 2 metil 1 3 pentanediol 3 3 dimethyl 1 2 pentanediol 2 3-pentanediol
