preferred_name: 17beta-hydroxy-androst-5-en-3-one <=> testosterone
preferred_name_lc: 17beta-hydroxy-androst-5-en-3-one <=> testosterone
label: 17beta-hydroxy-androst-5-en-3-one <=> testosterone
label_lc: 17beta-hydroxy-androst-5-en-3-one <=> testosterone