Relationships

is a type of:	C4-dicarboxylate dicarboxylic acid dianion
has subtype:	fumarate(2-) maleate(2-)
inverse has_functional_parent:	citramalate(2-) enol-oxaloacetate
inverse is_conjugate_acid_of:	hydrogen butenedioate
is_conjugate_base_of:	hydrogen butenedioate