4-hydroxy-4-methyl-2-oxoglutarate aldolase; pyruvate aldolase; gamma-methyl-gamma-hydroxy-alpha-ketoglutaric aldolase; 4-hydroxy-4-methyl-2-ketoglutarate aldolase; 4-hydroxy-4-methyl-2-oxoglutarate pyruvate-lyase; HMG aldolase; CHA aldolase; 4-carbo • • •