La chiamata del pacchetto è scritta bene (copiata dalla guida).
In ogni caso è questa
`\usepackage{chemtimes}`
Ecco il log
`! LaTeX Error: File `chmst-ps.sty' not found.
Type X to quit or
or enter new name. (Default extension: sty)
Enter file name:
! Emergency stop.
l.68 \fi
*** (cannot \read from terminal in nonstop modes)
Here is how much of TeX's memory you used:
4522 strings out of 495261
61996 string characters out of 3180071
335790 words of memory out of 3000000
7699 multiletter control sequences out of 15000+200000
3940 words of font info for 15 fonts, out of 3000000 for 9000
14 hyphenation exceptions out of 8191
38i,1n,48p,228b,47s stack positions out of 5000i,500n,10000p,200000b,50000s
! ==> Fatal error occurred, no output PDF file produced!`