HX~COOH * 1 |
COOH H-Ć-OH | |
HO—C—COOH |
CH, | |
H.,C—COOH |
COOH | |
kwas cytrynowy |
kwas |
2-hydroksy-bursztynowy |
COOH |
H^C—COOH * 1 | |
H-C-OH |
H—C—COOH |
COOH |
I O ~o X |
H—C—COOH |
COOH |
COOH |
OH | |
twas winowy |
kwas izocytrynowy |
kwas szczawio1 |