There are 5 chiral carbon atoms in norethynodred.
6 stereocenters 8 s 9 s 10 r 13 s 14 s 17 s
fifteen.
13
i know that its 3 but i only can find 2 of them !
On average in a year at least 1 million people or on roids. :}
Shaun Assael on a Solution to Sports Steroid Abuse
The Steroid Legacy
How To Pick Out the Steroid-Abusing Athletes
The Future of Steroids