The only converter chain that is supported by default is:
docbook -> DVI
DVI -> Postscript
Postscript -> PDF (ps2pdf)
-#LyX 2.0 created this file. For more info see http://www.lyx.org/
-\lyxformat 413
+#LyX 2.1 created this file. For more info see http://www.lyx.org/
+\lyxformat 469
\begin_document
\begin_header
\textclass docbook
\font_roman default
\font_sans default
\font_typewriter default
+\font_math auto
\font_default_family default
\use_non_tex_fonts false
\font_sc false
\font_osf false
\font_sf_scale 100
\font_tt_scale 100
-
\graphics default
-\default_output_format default
+\default_output_format pdf
\output_sync 0
\bibtex_command default
\index_command default
\paperfontsize default
+\spacing single
\use_hyperref false
\papersize default
\use_geometry false
-\use_amsmath 0
-\use_esint 0
-\use_mhchem 1
-\use_mathdots 1
+\use_package amsmath 0
+\use_package amssymb 0
+\use_package cancel 0
+\use_package esint 0
+\use_package mathdots 1
+\use_package mathtools 0
+\use_package mhchem 1
+\use_package stackrel 0
+\use_package stmaryrd 0
+\use_package undertilde 0
\cite_engine basic
+\cite_engine_type numerical
+\biblio_style plain
\use_bibtopic false
\use_indices false
\paperorientation portrait
\suppress_date false
+\justification true
\use_refstyle 0
\index Index
\shortcut idx