RES 1r:r1 2b:a-dglc-HEX-1:5|1:keto|6:keto 3r:r2 4b:a-dglc-HEX-1:5|1:keto|6:keto LIN 1:1n(4+1)2d 2:2o(4+1)3n 3:3n(4+1)4d 4:4o(4+1)1n REP REP1:5o(4+1)5d=-1--1 RES 5b:a-dglc-HEX-1:5 REP2:6o(4+1)6d=-1--1 RES 6b:a-dglc-HEX-1:5