https://linux.die.net/man/1/lzma
Maybe this help that utility is like an algoritm from 7zip but the 64x version
Update : I prompted the lzma file on Linux and "--help" worked as long and the parameters on that site...
Your file should means the same but an windows one looks strange on parameters should works similar.. I would suggest download that lzma from other part..The sintaxis looks rare like i was corrupted exe..Also have and hidden atribb not generally used on that kind of utilities
Update 2 I found this:
http://www.7-zip.org/sdk.html
Maybe that site is better other I looked looks ridded with adware