Name That Steroid: Round 7 – Name That SARM

In a change to your regular viewing, this week we are Naming That SARM, in a special round set by regular reader (and Name That Steroid quiz winner) Justin.

The compounds below have been experimentally produced and tested by pharmaceutical companies for their selective androgen receptor modulating properties. Your task is to identify them.

NTS1a

NTS1b

NTS2a

NTS3a

Please leave your answers in the comments.