preferred_name: 17-dehydropreakuammicine => 3,17-didehydrostemmadenine
preferred_name_lc: 17-dehydropreakuammicine => 3,17-didehydrostemmadenine
label: 17-dehydropreakuammicine => 3,17-didehydrostemmadenine
label_lc: 17-dehydropreakuammicine => 3,17-didehydrostemmadenine