sym-homospermidine + propane-1,3-diamine => putrescine + spermidine
sym-homospermidine + propane-1,3-diamine => putrescine + spermidine
sym-homospermidine + propane-1,3-diamine => putrescine + spermidine
sym-homospermidine + propane-1,3-diamine => putrescine + spermidine