An on-press development type lithographic printing plate precursor includes: a support; and an image-recording layer on the support, in which the image-recording layer contains a compound represented by Formula (1), a method of preparing a lithographic printing plate using the on-press development type lithographic printing plate precursor, a lithographic printing method, and a novel compound. In the formula, R.sup.1 represents a group represented by Formula (2) or Formula (3), R.sup.10 represents a monovalent organic group having an aryl group, R.sup.11 to R.sup.14 and R.sup.17 to R.sup.20 each independently represent a hydrogen atom, an alkyl group, or an aryl group, R.sup.15 and R.sup.16 each independently represent a hydrogen atom, an alkyl group, or an aryl group, and at least two of R.sup.11 to R.sup.20 may be bonded to each other to form a ring structure.

##STR00001##

A negative-working lithographic printing plate precursor has a negative-working infrared radiation-sensitive image-recording layer that has a) two or more free radically polymerizable components; b) an initiator composition capable of generating free radicals; and c) one or more infrared radiation absorbing cyanine dyes. The a) two or more free radically polymerizable components comprise a combination of a urethane (meth)acrylate and a polyester (meth)acrylate, which together, comprise 75-100 weight % of all free radically polymerizable components. The weight ratio of the urethane (meth)acrylates to the polyester (meth)acrylates is from 90:10 to and including 35:65. The urethane (meth)acrylates comprise one or more urethane linkages and at least 4 acrylate or methacrylate ester groups. Each of the one or more polyester (meth)acrylates is free of a urethane linkage and is represented following structure (I). These precursors are less sensitive to ambient ozone and can be infrared radiation imaged and developed on-press during lithographic printing.