Neuroactive steroids, compositions, and uses thereof

A compound of Formula (Ib):

• or a pharmaceutically acceptable salt thereof;
• wherein:
• Ring A is an optionally substituted 5-membered or 6-membered monocyclic heterocyclyl or an optionally substituted 5-membered or 6-membered monocyclic heteroaryl, wherein the heterocyclyl or heteroaryl of ring A comprises 1, 2, 3, or 4 nitrogen atoms and wherein the heterocyclyl or heteroaryl of ring A is linked through a nitrogen atom;
• L is —C(R3)(R3)—;
• R1 is unsubstituted C1-6 alkyl;
• R2 is unsubstituted C1-6 alkyl or C1-6 haloalkyl;
• Each R3 is hydrogen;
• R5 is absent or hydrogen;
• is a single or double bond, wherein when one of is a double bond, the other is a single bond;
• and when one of the is a double bond, R5 is absent.