Last seen in:
- Eugene Sheffer - King Feature Syndicate - Jun 10 2022
- Canadiana - Sep 7 2020
- The Sun - Two Speed - May 20 2020
- Canadiana - Mar 16 2020
- Canadiana - Jul 22 2019
- New York Times - May 12 2019
- Canadiana - Jan 29 2018
- Canadiana - Feb 22 2016
- Canadiana - May 25 2015
- Premier Sunday - King Feature Syndicate - Mar 9 2014
Related Clues:
- Low pH
- Phenanthrene, to anthracene
- Diethyl ether, to butanol
- Sulfuric or hydrochloric follower
- Type of rain
- Nitrous __ (laughing gas)
- Almost identical compound
- Corrosive chemical
- See 48 Across
- Glucose, to fructose
- Dropped stuff
- Compound used as fertilizer
- Car battery component
- Cause of some bellyaching
- Corrosive compound