cpd:C00493	C7H10O5
cpd:C04236	C7H10O5
cpd:C16588	C7H10O5
cpd:C17696	C7H10O5
cpd:C18307	C7H10O5
cpd:C18312	C7H10O5
cpd:C20961	C7H10N2O5
cpd:C21281	C7H10O5