KEGG RCLASS RC00993 O1a-O2x:*-C8y:C8y-C8y O1a-O2x:*-C8y:C8y-C8y RC02208 C8x-C8y:*-O2x:C8x+C8y-C8x+C8y C8x-C8y:*-O2x:C8y+C8y-C8y+C8y N1y-N2y:*-C1a:C1a+C1x+C1y-C1a+C1x+C1y