Identify the molecule.

(Bigger image)

For the non chemistry geeks, hints

( this is how the top strip eventually ends. NOT caused by the molecule in question :) )

Cracked ( without any pains ) by:
Hema, Poornima, Jayanth, Shashank, yaksha, Abhinav, asha, Keerthi, Dibyo, piezocake, Abhishek, nihit, Archana

Answers:

Aspirin, 2-acetoxybenzoic acid or acetylsalicylic acid is the common analgesic . Low dose Aspirin has many other medicinal qualities.
The hints:

1. Judas Priest’s Painkiller, hinting the “Painkiller” properties of Aspirin.
2. Thompson and Thompson eating mysterious pills thinking it to be aspirin in"The Land of Black Gold"

Hema, Poornima, jayanth, Shashank, yaksha, Abhinav, asha, Keerthi, Dibyo, piezocake, Abhishek, Abhishek, nihit and Archana