A pyridopyrimidine that is pyrido[2,3-d]pyrimidine which is substituted at positions 2 and 4 by (3S)-3-methylmorpholin-4-yl groups and at position 5 by a 3-(hydroxymethyl)-4-methoxyphenyl group. It is an mTOR complex 1/2 (mTORC1/2) dual inhibitor [mTOR = mammalian target of rapamycin]. ChEBI: AZD-8055 is a pyridopyrimidine that is pyrido[2,3-d]pyrimidine which is substituted at positions 2 and 4 by (3S)-3-methylmorpholin-4-yl groups and at position 5 by a 3-(hydroxymethyl)-4-methoxyphenyl group. It is an mTOR complex 1/2 (mTORC1/2) dual inhibitor [mTOR = mammalian target of rapamycin]. It has a role as a mTOR inhibitor, an apoptosis inducer and an antineoplastic agent. It is a member of benzyl alcohols, a tertiary amino compound, a pyridopyrimidine and a member of morpholines.