RES
1r:r1
REP
REP1:4o(3+2)2d=-1--1
RES
2b:b-dman-OCT-2:6|1:a|2:keto|3:d
3s:acetyl
4b:b-drib-PEN-1:4
LIN
1:2o(4+1)3n
2:2o(7+1)4d