RES 1b:b-dxyl-PEN-1:5 2b:b-dxyl-PEN-1:5 3b:b-dglc-HEX-1:5|6:a 4s:methyl 5s:methyl LIN 1:1o(4+1)2d 2:2o(2+1)3d 3:3o(4+1)4n 4:3o(6+1)5n