K5E1T1O1S1T1E1R1O1I1D2
16 points
KETOSTEROID is validvalid
a steroid, such as cortisone or estrone, containing a ketone group
a steroid, such as cortisone or estrone, containing a ketone group
a steroid, such as cortisone or estrone, containing a ketone group
a steroid, such as cortisone or estrone, containing a ketone group