1.2.1.27 methylmalonate-semialdehyde dehydrogenase (CoA-acylating) 2,4-dinitrotoluene degradation 1.14.12.24 2,4-dinitrotoluene dioxygenase 2,4-dinitrotoluene degradation 1.14.13.210 4-methyl-5-nitrocatechol 5-monooxygenase 2,4-dinitrotoluene degradation