preferred_name: 5alpha-androstan-3,17-dione + A = androst-4-ene-3,17-dione + AH2
preferred_name_lc: 5alpha-androstan-3,17-dione + a = androst-4-ene-3,17-dione + ah2
label: 5alpha-androstan-3,17-dione + A = androst-4-ene-3,17-dione + AH2
label_lc: 5alpha-androstan-3,17-dione + a = androst-4-ene-3,17-dione + ah2