Not quite right?
"Search similar patterns."
S_________
Definitions
virility drug (trade name Viagra) used to treat erectile dysfunction in men
Word origin
Probably from s(ulfon)yl + -dena- (“alteration of (pyrimi)dine”) + ph(en)yl.
Used in a sentence
“Ellis opens a file from his stack. In 1991, he says, Pfizer wanted to test the safety of what came to be known as sildenafil.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for sildenafil yet.